Match Application Number Document Title
1 85100195 Method for removing the plating on zinc base alloys
The solution for removing the plating used in this invention contains sulfuric acid, sodium-potassium tartrate, sodium nitrate, p-nitrophenol, cresol, thiourea, additive agent No.825, fe...
2 85101992 Electro-chemical corrosion of high voltage aluminium anode foil
Aluminium foil is passed, under the effect of DC at 75 deg.C, through electrolytic bath containing hydrochloric acid 3% and aluminium (in the form of aluminium chloride) 1% and is corrod...
3 85102657 Electrical polishing process of surface of Cu-Zn alloy
Electrical polishing solution contains 100-350 g/l of organic phosphoric acid, having a PH of 5-10. The parts or plated coating made of Cu-Zn alloys or Cu-Zn-Sn alloys, can be directly e...
4 85102760 Electrochemical trimming of harmonic gear
This technique utilizes the principle of electrolytic polishing for trimming of harmonic gear, to trim the tooth-direction and the edge of tooth shape. Using a ring-shaped cathode plate,...
5 85102762 Electrochemical method for producing thermal-conducting elements with porous su...
According to the principle of pitting corrosion, a uniform porous film on stainless steel surface can be obtained by corrosion of anodic polarization without any declining of performance...
6 85101034 Two-step electrochemical and chemical etching method of hish voltage aluminium ...
The high cubic texture anode foil of aluminium electrolytic capacitor is etching with two-step method. First it is treated in the electrolyte bath containing hydrochloric acid 3% and alu...
7 85101035 Two-step electrochemical etching method of high voltage aluminium anode foil
The high cubic texture anode foil of aluminium electrolytic capacitor is etched with two-step method. The anode foil is treated in the electrolyte containing hydrochloric acid 3% and alu...
8 85101448 Process for electrochemical roughening of aluminum used as printing plate suppo...
In the course of electrochemical roughening Al or Al alloy material used as printing plate support, the mixed aqueous electrolyte contains HCl and at least fluorine-containing inorganic ...
9 86107647 Partially conductive cathode for electrochemical machining
The cathode includes a machining surface, at least a portion of which comprises alternate layers or lamina of conductive and non-conductive material whose spacing and thickness are select...
10 86106247 Combined barrel polishing processing method and its apparatus
The present invention is related to a combined barrel polishing processing method and its apparatus.The said processing method as follows: The workpieces are chemically-polished by use o...
11 86108076 Ecm machine with workpart shroud and arbor assembly
An integral bladed rotor for a gas turbine engine is fixtured on an incrementally indexed arbor and enclosed by a shroud except for a portion of the rotor to be inserted into an electroly...
12 86108055 Electrical continuity clamp for ecm machine
An electrically conductive arbor indexer shaft is coupled to an indexing D.C. motor by an insulator connector and the indexer shaft in an indexed position is tightly gripped by a resilien...
13 86108056 Multi-axis electrochemical machining machine useful for machining airfoils
An ECM machine is provided for electrochemically machining the airfoil blades of an integrally bladed rotor of a gas turbine engine. The cathodes each move along a right X-axis and Y-axis...
14 87104298 Electrolytic removal of plated copper and nickel layer from iron base articles ...
This invention relates to the deplating technology in the electroplating business. It is aimed at solving the main difficult problem of removing the plated nickel, copper layer on iron b...
15 87103891 Electro-chemical corrosion of circular silicon cup
This invention discloses a technological process of electro-chemical corrosion which is used for the corrosion of a circular silicon cup (silicon elastic membrane with circumferential s...
16 88102785 Treating method for electrolytic etching of metal
A method of electrolytically treating metals with an a.c. current or alternating pulsive current using an electrode comprising a metal substrate having a coating that comprises an oxide o...
17 88104312 Pattern transplanting and engraving process of inside wall of die cavity
Based on the said process, its steps are that the required partterned net is produced from metal foil via photoetching and painted a protective film on one face and sticks on the inside ...
18 88103137 Cloisonne on aluminum base
This invention belongs to surface processing technique and provides a technical process for making the imitation of cloisonne' on aluminium base. Two oxidations and three colourations of...
19 89100340 Apparatus for electrochemical treatment of products
The present apparatus comprises product treating trough (1) which is full of electrolyte and enables the electrolyte to form rising laminar flow in the product treating zone. (1) is conn...
20 89100258 Process for electrochemical treatment of products of conductive materials
The present process comprises immersing the treated products in an aqueous electrolytic solution with electrolyte concentration of 2-12 wt% and conducting the electrolytic process at 40-...
21 88108888 Simple rapid engraving technology on metal materials
The invention is related to simple and rapid engraving technology on metal material. Its main charater is that it protects the unprocessing portion of the metal material with photographi...
22 89106033 Alumetization catalytically by rare-earth
This invention introduces technique of catalytic aluminizing with rare-earth elements. After adding rare-earth elements of ytterbium, hafnium, tantalum, the hot dipped molten aluminium i...
23 92102767 Periodic reverse pulse electrochemical cleaning for metal surface
In an aqueous alkaline solution, periodically reversed pulse current or voltage is used to degrease and clean metal surface. During cleaning, the metal acts as cathode or anode alternate...
24 92100771 Rust removing and contaminant releasing technology for metal surface by electro...
In order to overcome the demerits of available metal cleaner, which is time consuming and has poor rust-removing effect to stainless steel surface and no removing effect to complicated-c...
25 91111431 Metal photographic electrolytic working technique
The present invention relates to a new photographic electrolytic machining process, belonging to the field of electrophysics and electrochemical machining. When the electrochemical corro...
26 92109346 Electrolytically and mechanically combined polishing technology for inner surfa...
Electrolysis and mechnical lapping are combined to polish inner surface of container. Electrolyte flows between workpiece as anode and additional cathode for electrolysis while an abrasi...
27 92103814 Method for producing narrow metallic tapes of tungsten or molybdenum
Method to produce narrow tungsten and molybdenum tapes includes such technological steps as electrolyzing wire material, making blank by warm rolling, and cold fine rolling. As electroly...
28 92106180 Film-removing technology and apparatus for coated glass
The waste glass substrate with coated film can be placed into acidic, basic or salt solution and the coated film is used as anode to connect to a DC power source thus the coated film on ...
29 92112290 Electrolytic etching method of metal test-piece
In this invention, power supply, electrolyte, electrolysis procedure, cleaning procedure are selected and designed, thus, by this process, electrolyte may be commonly applied to steel an...
30 92110057 Electrolytic-chemical joint corrosion method for copper pattern
A method of etching copper patterns by combined electrolysis and chemical corrosion is disclosed. Anode is the copper workpiece which has been painted with photoetching latex, exposed, d...
31 93115571 Offset Al plate graining mixed electrolytic solution and graining technique
The electrolyte for making graining on aluminium plate for offset print is an aqueous solution containing at least one alkali metal chloride and HCl _HNO3, and is used in the conditions ...
32 94110289 Surface treatment method for titanium matrix metal electrode
The invented method adopts the electrochemical etching principle and puts the haloid element beairng ions Cl-, Br- or I- as etching ions, the concentration is 0.1-3.0 mol/l. It may add t...
33 94192557 A method and a device for pickling of stainless steel
The invention relates to a method and a device for performing the method, viz. remove oxide layers, chromium depleted zones and the like in pickling of metal, in the first place stainless...
34 94115524 Superfine etching method for stainless steel
The superfine etching method for stainless steel is developed by using stainless steel properties on the basis of chemical-electro-chemical-corrosion principle. Said method has no need o...
35 94115526 Method of quick and deep chemical etching for stainless steel
The electrochemical etching technology for stainless steel includes using G21 water-soluble dry film to form designed etching pattern on surface of stainless steel and electrochemical et...
36 94119992 Electrochemical polishing method for aluminum or aluminum alloy welding wire
Aluminium or aluminium alloy welding wire is electrochemically polished by polishing liquid prepared from phosphoric acid as base material, corrosion inhibitor and activator, and the pol...
37 94118454 Etching technique of anode Al foil of electrolysis capacitor
The corrosive technology for anode aluminium foil of electrolytic capacitor includes immersing aluminium foil in 1-2% aqueous solution of sulfuric acid, DC electrolytic corrosion in mixt...
38 95100180 Method for electrochemical processing metal extrusion die
The electrochemical processing method for metallic squeezing die features use of electrocorrosion, instead of electric spark forming, to determine working band length in die hole. The de...
39 200610005089 Strip treating apparatus
An apparatus for treating a strip such as a steel sheet. A first object is to provide an electrode switching device of a simple construction. A second object is to uniform the flow of th...
40 95193196 Strip treating apparatus
An apparatus for treating a strip such as a steel sheet. A first object is to provide an electrode switching device of a simple construction. A second object is to uniform the flow of the...
41 03122075 Strip processing device
An apparatus for treating a strip such as a steel sheet. A first object is to provide an electrode switching device of a simple construction. A second object is to uniform the flow of th...
42 01101288 Neutral salt electrolytic liquid for treating device of stainless steel, and me...
The present invention relates to a neutral salt electrolytic liquid for treating device of stainless steel, and method and apparatus for descaling stainless steel.
43 95108912 Annealing and descaling method for stainless stell
A method for processing stainless steel strip or sheet provides for cleaning the surface of the stainless steel with a solution selected from the group consisting of water and alkaline-ba...
44 95119801 Dynamic electrolytic composite polishing method of stainless steel equipment
A dynamically electrolytic compound polishing method for stainless steel apparatus used in chemical, textile and food industries features that sulfuric acid, phophoric acid, potassium fe...
45 95116303 Polishing liquid for metal surface
The present invention relates to electrochemistry, esp. to the steel polishing liquor and the improvement of electrolyte. The electrolyte is water solution containing NH4Cl 2-4 wt% and N...
46 96106005 Application of dilute chromic acid solution in electrolytic deplating process
The present invention relates to a process using recovered dilute chromic acid in electrolytic deplating process. The mixing ratio of said cell liquor is: chromic anhydride 120-160g/l, p...
47 95120179 Metal surface polishing solution and polishing tech.
A polishing solution for metallic surface is prepared from ammonium sulfate, sodium sulfate, and water. The solution is used as electrolyte. The workpiece, especially the small stainless...
48 96109444 Roller-conveyed back-electrolysis process for cleaning and roughening copper su...
In the said method, there is at least one electrolyser filled with electrolyte and provided with one immersed cathode plate. Printed circuit board as anode is transfered by roller convey...
49 96117135 Aluminium material electrolytic polishing of reversal current method
The present invention relates to an electropolishing process for aluminium material by using reverse current method. It is characterized by that the reverse current is used as current pr...
50 01104687 Process for producing semiconductor device
The present invention provides a method for etching an object having a portion to be etched on the surface thereof, comprising a step of immersing said object in an electrolyte solution s...
51 01104686 Etching device
The present invention provides a method and device for etching an object , comprising a step of immersing said object in an electrolyte solution such that said object serves as a negative...
52 97194521 Method for removal of film from metal surfaces using electrolysis and cavitatio...
To remove films, such as oxides and lubricants, from a metal substrate, mechanical or thermal stress is first applied to the films so as to rupture the film to the substrate. The substrat...
53 97193534 Process and device for the electrochemical treatment of items with a fluid
The invention relates to a process and a device for the electrochemical treatment with a fluid of mutually electrically insulated electrically conductive regions (2) on items (1). Insulat...
54 97101882 Aluminum alloy sheet for lithographic printing plates and method for manufactur...
An aluminum alloy sheet for printing plate contains Fe: 0.2 to 0.6 Wt %, Si: 0.03 to 0.15 Wt %, Ti: 0.005 to 0.05 Wt %, Ni: 0.005 to 0.20 Wt %, and remainder of Al and inevitable impurity...
55 96119282 Etching method, process for producing semiconductor element using said etching ...
A method for etching an object having a portion to be etched on the surface thereof, comprising a step of immersing said object in an electrolyte solution such that said object serves as ...
56 97112138 Method and apparatus for automated stripping of zinc sheets from aluminum catho...
This invention concerns a method and an apparatus for automated stripping of electrodeposited zinc sheets from aluminum cathode base plates. This is achieved using a stripping mechanism t...
57 97111609 Process for conditioning copper or copper-alloy external surface of element of ...
The subject of the invention is a process for conditioning the copper or copper-alloy external surface of an element of a mold for the continuous casting of metals, of the type including ...
58 97110532 Metal implant with surface and method for producing the surface
A surface for a metal implant has a coarse structure of elevations and depressions, with the surface being permeated by a network of protruding ribs which form nodes and interstices or me...
59 97116600 Method for etching nitride material
The method for etching nitride material includes the following steps:1. plating electric electrode on the nitride material; 2. placing the nitride material on the holding illuminator; 3....
60 98809607 Electroplating system having auxiliary electrode exterior to main reactor chamb...
A system for electroplating a semiconductor wafer comprises a first electrode in electrical contact with the semiconductor wafer and a second electrode. The first electrode and the semico...
61 97125444 Electrode structure, electrolytic etching process and apparatus using same, and...
An electrode structure is constituted by a first electrode, and at least one second electrode providing a pair of opposite portions with a prescribed spacing therebetween at which the fir...
62 97121574 Process and device for electrolytic pickling of metallic strip
The invention relates to a process for electrolytic pickling of stainless steel strip, in particular, consisting of special steels, titanium, aluminium and nickel, where the electric curr...
63 98111940 Electro-acoustic quick oil, scale and rust removing clean agent for metal and c...
The quick grease-removing rust-removing cleaning agent for metal by using electroacoustic process contains the following components (wt%): main cleaning agent (60-70), cleaning adjuvant ...
64 98802434 Method of providing metal bearing component with pattern by electrochemical mac...
The invention relates to a method of providing a metal bearing component with a texture by electrochemical machining. According to the present invention a ribbon is provided between an el...
65 98801253 Circuitry and method for electroplating plant or etching plant pulse power supp...
The invention relates to circuitry and a method for supplying electrolytic cells with a pulse current for use in electroplating plants. Two galvano-rectifiers (5,32) and a change-over swi...
66 98808857 Electrochemical dissolution of nuclear fuel pins
Electrochemical dissolution, especially of nuclear fuel pins, is performed using a substrate container in the form of a perforate stepped truncated pyramid. The polarity of the electrodes...
67 98116586 Electrolysis process of raising the accuracy and life of cutter
The present invention relates to the method of utilizing electrolytic etching to eliminate some material of an object, and specifically, the electrolysis process of treating a metal cutt...
68 98807339 Electrochemical autothermal reformer
An electrochemical autothermal reformer (EATR) provides hydrogen. The EATR includes an autothermal reformer region, a reformer anode supply region, and a composite membrane layer separati...
69 98103160 Process for stripping/coating conductive material and device thereof
We are familiar with etching printed circuit boards chemically by providing a copper board with a mask and etching away chemically at those points where the mask is not present. This is d...
70 98111618 No-pollution metal etching method and device thereof
The metal etching method free from acid pollution includes the following steps: applying photoresist on the surface of metal plate to be processed, then drying, light-sensing, developing...
71 98123361 Waste liquid treatment method and treatment device
In a processing method of waste water, electrolysis is carried out by feeding the waste water containing nitrogen compounds into an anode room of an electrolytic bath in which a diaphragm...
72 98119024 Non-corrosion pulsively electrochemical polishing solution and process
A non-corrosion pulsively electrochemical polishing solution is prepared from phosphoric acid, sulfuric acid, glycol, polyethylene glycol, perfluoro surfactant, EDTA, Lan 826 and water, ...
73 99100148 Surface scale preventing method for metal electrode
The technological scheme is to apply DC voltage between the metal electrode and the auxiliary electrode by connecting the metal electrode to the negative pole of DC source and the auxili...
74 99808568 Removal of oxygen from metal oxides and solid solutions by electrolysis in fuse...
A method for removing a substance (X) from a solid metal or semi-metal compound (M
75 99104906 High-efficient polishing working method for diamond film
A high-effective polishing processing method of diamond film is characterized by firstly applying a metal coating layer capable of making the diamond film form an electric conductive fim...
76 99102433 Anodizing method and apparatus and semiconductor substrate manufacturing method
A porous layer having a multilayered structure is formed. An Si substrate (102) to be processed is anodized in a first electrolytic solution (141, 151) while being held between an anode (...
77 99114960 Low-pressure anode aluminium foil face-expanding erosion method
The present invention relates to a low-voltage anode aluminium foil area-expanding erosion method, including twice eletrochemical erosion, the electric current for twice electrochemical ...
78 99114961 Medium, high-pressure anode aluminium foil face-expanding erosion method
The present invention relates to a medium and high voltage anode aluminium foil area-expanding arosion method, including electrochemical area-expanding erosion and chemical area-expandin...
79 200610092501 Method of removal of substance from solid compound m i x of substance x and met...
A method for removing a substance X from a solid metal or semi-metal compound M
80 99115542 Surficially roughened foam nickel and its preparing process
A surficially roughened foam nickel features that the adhered matter in uniform array state is sprayed on the surface of substrate before the sponge substrate is processed for higher ele...
81 99808421 Methods and appts. for electropolishing metal intennections on semiconductor de...
An electropolishing apparatus for polishing a metal layer formed on a wafer (31) includes an electrolyte (34), a polishing receptacle (100), a wafer chuck (29), a fluid inlet (5, 7, 9), a...
82 200410004837 Apparatus for electropolishing metal interconnections on semiconductor devices
An electropolishing apparatus for polishing a metal layer formed on a wafer (31) includes an electrolyte (34), a polishing receptacle (100), a wafer chuck (29), a fluid inlet (5, 7, 9), a...
83 99108935 Method and apparatus for quick forming phosphate covering film on steel wire
Method and appartus suitable for forming promptly a phosphate film of excellent performance for cold drawing on the steel wires are disclosed. The steel wires are descaled by cathodic ele...
84 99127800 Device for sterilizing water soluble lubricant
An apparatus for sterilizing a water-soluble lubricant which comprises a container in which an anode and a cathode are arranged and supplied with a voltage, a partition arranged so as to ...
85 99122945 Acid washing process for stainless steel
Chemical and/or electrochemical pickling of high grade steel is carried out in an acidic liquid that contains no nitric acid. Consumed electrolyte solution from electrochemical neutral sa...
86 99117419 Method of preparing zinc plating solvent by utilizing waste liquid
After hydrochloric acid solution is used in eliminating zinc coating, the Fe2 ion concentration in the solution is measured and the solution is made to react with excessive H2O2 to elim...
87 00102007 Technology for electrolytically polishing net of stainless steel wire and its s...
A technology for electrolytically polishing the net of stainless steel wire includes such steps as under the drive of reel passing the net of stainless steel wire through the space betwe...
88 00804514 Copper recovery process
A process for recovering copper from an alkaline etch bath from an etching process in which printed boards plated with copper are etched with the alkaline etch bath and then rinsed with w...
89 00118090 Degreasing method and apparatus for steel band
A steel strip is degreased with low power consumption by subjecting the steel strip to electrolytic washing in a degreasing apparatus including an electrolytic washing apparatus in which ...
90 00102939 Process for scaling on alloy steel surface
The present invention belongs to the solution pickling of metal material and is used to scale the surface of alloy steel. The method of the present invention includes anode electrolytic ...
91 00814608 Method and device for electrolytic treatment of electrically conducting structu...
For electrolytic treatment of electrically mutually insulated, electrically conductive structures 4 on surfaces of electrically insulating foil material (Fo), is unloaded from a store 15
92 00813380 An improved process and apparatus for cleaning and/or coating metal surfaces us...
A process for cleaning an electrically conducting surface (3) by arranging for the surface to form the cathode of an electrolytic cell in which the anode (1) is maintained at a DC voltage...
93 00809453 Bath composition for electropolishing of titanium and method for using same
The invention concerns a bath composition for electropolishing of a non-alloyed titanium metal surface, characterised in that it comprises: sulphuric acid (95 to 98 % solution): 20 to 40 ...
94 01805455 Electrolytic reduction of metal oxides such as titanium dioxide and process app...
A method of removing oxygen from a solid metal, metal compound or semi-metal M1O by electrolysis in a fused salt of M2Y or a mixture of salts, which comprises conducting electrolysis unde...
95 01803905 Pickling agent containing urea and method of producing it
A long-time stable pickling agent for the removal of an oxide layer on a stainless steel after heat treatment, such as welding, which pickling agent comprises nitric acid and fillers and ...
96 00135592 Metal fine machining apparatus and method
The invention provides an improved metal surface treating unit and a metal surface treating method therewith. The metal surface treating unit having an electrolytic tank, electrolyte exis...
97 00816964 Machine for localised cleaning with electrolytic and/or ultrasound cell, for pi...
Machine for localised cleaning, including pickling acid or a composition/mixture of chemical elements with pickling action that is applied by hand or by mechanical instruments to the surf...
98 01104211 Method of recovering metal from metal-containing sludge
The method for recovering metal from metal sludge includes the following steps: chemical coagulatory settling treatment of waste water containing high-concentration metal ions to form th...
99 01809636 Cathode for electrochemical regeneration of permanganate etching solutions
In order to regenerate permanganate solutions being utilized for the etching and roughening of plastics surfaces electrolytic methods are known. Though relatively small quantities of by-p...
100 01116400 Method for surface treatment of copper foil
Disclosed is a process of treating the surface of copper foil to obtain a uniform rough condition and low rougheness and produce a high adhesive strength to such resin base materials as p...
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