Match Application Number Document Title
1 85100133 Process for manufacturing micro-foil resistance strain gauge
In this process, the sensing grate is formed by means of photolithography with positive photoresist, a ball mercury lamp is used as the light source of exposure, the solution comprising ...
2 85100019 Technology for producing positive temperature-coefficient porcelain temperature...
SiO2 or SiO2 AI203 will be used in the invention, introduced into the process before the main ingredients of the recipe, so that the porcelain made from raw materials of high acceptor (e...
3 85102991 High temp. thermistor with high reproducibility
The themistor which belongs to the field of semiconductor sensor is used within temp. of 100-500 deg.C, and is made up of high reproducibility compositions of resistance value of materia...
4 85102901 Centrifugal compressor
This invention concerns a method of mfg. series connecting-type thermistor. When the ratio of concentration of gold to the net dopant of base material is 1~1.5, the gold-doped silicon th...
5 85101180 Thick film circuit formulation
The circuit, especially a mixed integrated circuit has very good adhesion property with sintered ceramic substrate, and the variation of electric resistivity or electric conductivity wit...
6 85100581 Arrester capable of blocking carrier wave
This arrester is able to prevent overvoltage as well as to block the high frequency current. It's constructed from a porcelain case in which a metal-oxide resistor connected in series wi...
7 85100146 Multifunction ceramic material sensitive to heat-humidity-gas
The present invention relates to a multifunctional ceramic material sensitive to heat-humidity-gas. It uses Ba (Ti1-x SnX) O2 a complex solid solution, as the main component. This porous...
8 85101878 Circuit board
Resistors are formed on one surface of a board having through hole conductors arranged like a lattice, an electrode is further formed on the surface of these resistors, and the electrode...
9 85101683 Rotary electric device
In a rotary electric device such as a trimmer capacitor or a variable resistor comprising a rotor contained in a case which is provided with an opening for receiving a screwdriver for ro...
10 85101244 Resistance network supported on frame
The dynamic braking system used on electric locomotive and internal combustion locomotive supported by rigid frame often consists of mutual insulated or shock-proof metal members and res...
11 85102568 Interchangeable linear heat-sensitive resistance
This invention consists of two slices of heat-sensitive, glass seealed resistances with high steady performance and two metal-film resistances. It has a good linear output performance of...
12 85102266 Method for manufacturing the high temperature sensor from the rare-earth element
The present invention disclores a method for manufacturing thermistor using the compositions of Er2O3 and Fe2O2 as raw material. The process thereof consists of presintering, modeling, f...
13 85102219 Thermistor of rare-earth element
This thermistor consists of two electrodes and a temperature sensitive element with composition of RFex Co1-x O3, wherein R represents rare-earth element and X=0.5~1. Using the compount ...
14 85103871 High molecular temp. sensitive elements
High molecular temperature sensitive elements are produced by admixing alkylphenol compounds having carbon atoms of 11 to 36 and polymers of phenol compounds with aldehyde in high molecu...
15 85103255 Flexible thermosensitive wire
The wire comprises a thermosensitive polymer composition layer formed between at least one pair of electrodes and is covered with a jacket and at least part of said jacket is composed of...
16 85102973 Electric current and voltage conversion amplifier and especially preliminary am...
To obtain a wide-band response with sensitivity is an unsettled problem in designation of the current-voltage conversion amplifier, especially the preamplifier which can be used as light...
17 85104651 MOS insulation processing
A process for growing field oxide regions in an MOS circuit. An initial thermally grown layer of silicon nitride seals the substrate surface and reduces lateral oxidation, or bird
18 85103884 Nanlinear resistance and its manufactrue
A paste-like material which contains Li2CO3, SiO2, Sb203 and Bi203 is coated on the side of the zinc oxide valve panel sinter, then bake it and there by a high resistance layer on the si...
19 85105495 Oxidate electric resistance
A composite sintered oxide resistor comprising crystal grains of zinc oxide and crystal grains of a zinc oxide compound of other metal or semi-metal element than zinc, and a grain boundar...
20 85105454 Composites with low ohmic value
The composites in this invention comprise solid long chain phenolic resin, liquid short chain phenolic resin and a mixture consisting of carbon black and granular graphite dispersing the...
21 85105318 Printed resister, its fabrication and use
conducting particals, adhesives and diluting agents are mixed together and coated on an insulating base according to a certain figure to form laminated resistor and metal connections are...
22 85107480 Porous ceramics sensitive to humidity
This invention relates to a kind of resistance type moisture sensor, resistance of which changes with the relative moisture. It is mainly consisting: ZnCr2O4-LiZnVO4(mo1%)40-98.8,10-0.1,...
23 85106536 Method for forming a platinum resistance thermometer
This technology consists of determining the path on the inertial medium which was deposited on the substrate for the resistance thermometer exposing the surface of the substrate under th...
24 85106383 Adjustable liquid rheostat with circulating electrolyte
This invention is a liquid rheostat which has a tank filled with electrolyte and at least two electrodes. One of the electrodes is connected to a main power, and the other to equipments ...
25 85108963 Heater for heating heat-contractibel pipes
A heater for heating a heat shrinkable tube fitted over an elongated member includes a base having an elongated support plate of a thermally conductive material for supporting the heat sh...
26 85107513 Paste material for carbon membrane potentiometer
This invention discloses a formulation of pasty material of carbon membrane potentiometer, where-in carbon black, graphite, phenolformaldehde resin, modified organic synthetic resin, but...
27 85108454 Proparation for high temp. and positive temp. coefficient heat-sensitive semico...
A heat-sensitive semiconductive compact ceramic material of positive temp. coefficient, the curie point of which is higher than 310 deg.C, being adopted both rapid sintering and short-ti...
28 86100666 Lightening arrester with gap voltage sensing and heat dissipating plates
This invention aims at improving construction thereof and enhances ability of protection of arc quenching therefrom, and prolongs lifetime thereof. A voltage sensing resistor is used wit...
29 85109658 Noiseless and long service life potentiometers
The present invention can prolong the noiseless service life of common potentiometers by 5-10 years. It's more advantageous than the existing technical characteristic. The method is simp...
30 85109231 Thick film resistor compositions
Resistor composition comprising an admixture of finely divided particles of (a) ruthenium-based conductive material, (b) inorganic binder and (c) cobalt ruthenate.
31 86103237 High polymer temp. sensitivity material
The temp. sensing material of polymer consists of polyamide constituent, in which polyamide is mixed with phenolic aldehyde and no less than two compounds selected from a series of follo...
32 86102994 Process for mfg. voltage-sensitive ceramic resistors on the basis of ZnO and ma...
A voltage-dependent ceramic resistance (varistor) based on ZnO and other addition elements, mostly in the form of oxides, is prepared, in that the addition elements are added to a suspens...
33 86101687 Resistance element for wound-type variable resistors and method
A resistance element causing less sliding noise for use in wound-type variable resistors and a method of making the same are disclosed. A resistance element obtained by winding a metallic...
34 86105213 Binary circuit adjusted impedance element and its exclusive switch
This invention relates to an essential electronic element. The impedance parameters are adjusted by a binary circuit. The adjustment can be made with high accuracy and flexible range. Th...
35 86106280 Hermetically sealed electronic component
A cermic substrate supports a thin or thick film electronic circuit hermetically enclosed by a vitreous glass covering sealed to the ceramic substrate by a heat fused vitreous sealing gla...
36 86106269 Apparatus and method for providing improved resistive ratio stability of a resi...
A resistor divider network is disclosed having two or more thin or thick film resistive elements deposited on a substrate. Each of the resistive elements is divided into a number of resis...
37 86106985 Method for integration of resistors in chemically deposited conductor networks
The invention relates to an integration process for high-reliability and small thick-layer resistors in conductor networks which are produced using chemical or electro-chemical processes,...
38 86108011 Linear thick-film negative temp. coefficient thermistor
Print two thermosensitive resistors with different characteristics in the two surfaces of a ceramic chip respectively and cascade the two thermosensitive resistor to form a negative temp...
39 86108776 Analogue storage voltage controlled variable resistor
The present invention relates to a kind of voltage-controlled variable resistor. It adopts analogue storage technology and its resistance value may be freely set up and kept up for a rel...
40 87101848 Thermosensitive material with linear negative temp. coefficient
The present invention discloses the fabrication technique of a ceramic thermosensitive material with linear negative temp. coef., used for the manufacturing of thermistors with linear ne...
41 87103368 Liquid potentiometer
In the said potentiometer made of a liquid, the traditional potentiometer structure of direct friction between metals is abandoned so that it has a longer service time. It is suitable fo...
42 87103486 Glod platinam containing single crystal silicon interchangeable termistor and i...
This invention presents a producing method of gold platinum containing single crystal silicon interchangeable thermistor belonging to the field of temperature sensor. Basically gold and ...
43 87102932 Method for making positive temp. coefficient material and apparatus thereof
This invention disclosed a method for making positive temp. coefficient (PTC) material and its application. The said PTC material is made by heat blending of high pressure polyethylene, ...
44 87104005 Passive electric component
A passive electric component suitable for SMD-technique and having a cylindrical supporting member or a supporting member in the form of a rectangular parallelepiped and having electric c...
45 87101108 Preparation of electrode of ceramic solid parts by means of hot-spraying process
This invention is to substitute a kind of base metal for silver in the preparation of electrode by means of hot-spraying on the ceramic solid component. Ordinary hot-spraying device is ...
46 87105596 Electrical overstress protection material and process
A material provides protection against electrical overstress transients having rise times as rapid as a few nanoseconds or less. The material comprises a matrix formed of a mixture of se...
47 87107727 Silver glass powder and its preparation
The present invention is related to the newest additive material applied to zinc oxide lightning arrester valve blade-silver glass powder. It is melted by use of a double quartz curcible...
48 88100513 Production method of zinc oxide resistor chip
The present invention discloses an improved production method of zinc oxide resistor chip, and the said method is suitable to produce various-type zinc-oxide valve plates for lightning a...
49 88101639 Compound resistor and manufacturing method therefor
This invention relates to a proces of manufacturing and adjusting a compound resistor. The compound resistor is formed of a resistive material forming a predominant portion of the resista...
50 88100808 Surge arrester
An open surge arrester comprises, on the one hand, an active part with a number of surge arrester elements of a metal oxide varistor material, arranged between two end fittings, and, on t...
51 88102279 Film resistance temp. sensor and manufacturing method
The said temp. sensor is one of the electronic solid sensor. In order that the said sensor is small and has a wide operating temp. range and high sensitivity. It uses double-layered Ti-A...
52 88105605 Method for mfg. platinum film of temp. sensor
It adopts the high-frequency sputtering or the magnetic-control sputtering and uses platinum as target. Under the argon-oxygen atmosphere the polished ceramic substrate is sputtered, whe...
53 89100577 Preparation of the material for making refrigerator starter
The present invention is a kind of preparation method of the material for making refrigerator starter PTC, it belongs to the semiconductive electronic ceramic material as an inorganic el...
54 89101503 Production process of humidity sensor element formed with the ceramic of compac...
This invention relates to a ceramic dew cell whose components are KxNaxBi(1-x-y)TiO3 and small quantity of additive, where x and y is equal to 0.005-0.495. the dew cell with compact stru...
55 89102574 Barium titanate series semiconduotive ceramics material and making method there...
Semiconductive ceramic material for posistor which uses barium titanate as substrate is produced by proper sintering process. Various grain barium titanate and oxalic acid titanium bariu...
56 89106603 Low resistance ceramic thermistor material, preparation technology and its appl...
The PTC thermistor material made of BaTiO3 powder as its base possesses a low resistivity (less than 0 ohm) and a high-voltage endurance (great than 270V). It is featured in the fact tha...
57 89108214 Programmable resistance signal source
The present signal source is composed of two resistance generators, a programable controller, a switching relay and a power source. Under the control of a special fixed program, it will ...
58 89108067 Method for making zinc metastannate gas
This invention relates to a method for making zinc metastannate butane gas-sensitive element. It is obtained by sintering such main materials as ZnSnO3, WO3 and SnO2, and added appropria...
59 90105409 Fabrication of humidity sensor made of oxide ceramic membrane
The production of humidity-dependent components are that the silicate ceramic of stratified or chain structure and containing Mg, Al, Fe, Ti and other elements is added with proper addit...
60 90108399 Double blowout lightning arrester
Ability of arc blow out in gaps is improved by two step arc blow out method of lightning arrester. The gap in lightning arrester is consisted of series of two groups, each group respecti...
61 91107469 Multifunction laser resistance adjuster
The resistance adjuster includes an adjusting and indicating laser system, a Nd:YAG laser with switching system, a three dimension adjustable supporting frame with residual water removin...
62 91105898 Humidity-dependent resistor and its preparing method
This invention dicloses a kind of resistance type moisture-sensitive element for measuring site humidity and its preparation method. Its characteristics reside in that the moisture sensi...
63 91108927 Method for enhancing sensitivity of gas-sensitive semiconductor component
Two different conduction types of gas-sensitive material are used to constitute P-N type or N-P type integral gas-sensitive device, which features that both materials are very sensitive ...
64 91111035 Producing method for porcelain very-fine powder of thermal-sensitive resistor w...
There is provided a making process for ceramic ultrafine powder for thermosensitive resistance with positive temp. coefficient. A stabilized reaction product of titanium tetrachloride an...
65 92103353 Variable resistor with controllable bending angle
The invention relates to a variable resistor characterized by that a layer of pliable carbon film and a layer of pliable conductive film are deposited on a piece of soft pc plate, its re...
66 92102389 Low-voltage piezo-resistance material and making method thereof
The present invention relates to semiconductor ceramic material. The said material uses zinc oxide as main raw material, into which proper metal oxide as additive is added, and it is pro...
67 92106316 Non-contact active adjustable resistance
The main feature is to effect variation of photosensitive resistance by regulating the light shield for the photocell, thus obtd. the same result of conventional adjustable resistor. It ...
68 92109950 Heat treating method for zinc oxide resistance sheet
The heat treatment is characterized in that the kiln is heated from room temperature with a rate of 50-100 deg.C per hr., when the temperature has gone up to 490-550 deg.C, keep the temp...
69 92112906 Composite charicteristic thermistor and its making method
The present invention provides the composition of composite thermistor and the making method thereof. Thereby the burning temperature can be lowered greatly (being 1120 deg.C-1200 deg.C,...
70 92112668 Durable potentiometer
A durable potentiometer technically features use of metallic mercury as central electrode and medium contacted with carbon film and integrated rotary internal box and fixed external box....
71 92113456 Slag semiconductor resistor
A slag semiconductor resistor is made of such raw materials (Wt. ratio) as water glass as hardening agent (1.15-1.50), sodium fluorosilicate (0.08-0.15), graphite (0-25), slag powder (0....
72 93110575 High molecular polymer thermistor material with positive temperature coefficient
The PTC thermistor material uses high molecular polymer as base material added with electric conductive filler 20-30% (volume) and thermal conductive filler 5-22% (volume) which are homo...
73 93102208 Manufacture method of non-cantact helm angle feedback apparatus
A helm angle feedback device features that its output voltage is varied by changing the direction of fixed magnet on rotor. It actually is a non-contact potentiometer with tens times lon...
74 93104472 Aluminium-nickel base contained conductor and making method thereof
This invention relates to a mthod for preparation of conuctor containing aluminonickel base. The said conductor is composed of: (weight%):1.0-8.0 of aluminium powder, 1.0-8.0 of boron po...
75 93108408 PTC Thermistor
A PTC thermistor capable of ensuring ohmic contact between a PTC thermistor body and an electrode and preventing deterioration in appearance of the thermistor to increase the yields. The ...
76 93109541 Gas tube vent-safe device
A vent-safe protector (40) for a telecommunications gas tube (12) includes two electrodes (16, 55) separated by a non-linear resistive material (45). Each electrode is connected to a gas ...
77 93107922 Surge arrester arrangement
A surge arrester arrangement includes a surge arrester (4) and a cut-out device (6) arranged in series with the arrester for automatic disconnection of the arrester in the event of arrest...
78 93108807 Voltage nonlinear resistor
Non-linear resistor for voltage features that it contains BaSb2O6 whose percentage in three phases of bismuth oxide, Zn-Sb spinel and BaSb2O6 is 5-50%. Its advantages include greater non...
79 93116967 Polymer thick film resistor compositions
A polymer thick film resistor composition is disclosed which comprises: (1) finely divided particles of a conductive metal having a surface area of 0.3 to 3.0 m2/g; (2) finely divided par...
80 93118180 Manufacture of ceramic moisture-sensitive element
The moisture-sensitive ceramic element for humidity sensor is prepared by adding additive such as C and Fe having pore-forming and protecting functions in general Zn-V-Li moisture-sensit...
81 93111746 Producing method for linear PTC metal-film thermal resistor
In the production, Ni, Cr, Fe, Ti, Au, Ag, Pt, Cu, Al, Mn and other pure metal or constantan, Mn-Cu, Fe-Cr-Al, Ni-Cr-Al, Ni-Fe and other alloy block are selected to constitute targel mat...
82 93114838 Flat nonlinear resistance and manufacture of same
The flat nonlinear resistance 1 comprises a varistor element 2 of the present invention which has a pair of electrodes 3 and 4 accommodated on the outer surfaces of a varistor element 2. ...
83 93120338 Thermo-sensitive resistor with multi-layer piled sheet structure
Such material of invention is using BaTio as main material, adding Pb(Li0.25 Nb0.75)O3, Li2CO3, MnO, SiO2 and Bi2O3. Grinding said material and making thin sheet coated with electrode, p...
84 94101428 Electronic parts
The invention provides an electronic component. A projection 11 protruded in the opposite direction to the protruded direction of an operation knob section 2 is provided on the case 1 of ...
85 94104583 A miniature potentionmeter and process of automatic sequential procuction there...
A miniature potentiometer including a casing (10) molded on a first sub-assembly. A second sub-assembly is housed in the casing (10) and includes a wiper (18) integral with a wiper-holder...
86 94191656 Doped zinc oxide powder, preparation thereof and ceramic produced therefrom
A method for producing zinc oxide by precipitating a single-phase precursor which consists, in particular, of a single-phase composite zinc/dopant oxalate in which bismuth atoms and other...
87 94102085 Resistor with conductive film vertically cut into ring slots
The conductive-film resistor comprises insulative rod substrate, carbon film, metallic oxide film or metallic film, paint layer and colour code layer, iron end caps and welding pins, and...
88 94105240 Surge suppression device
The Surging suppressing element can be installed at end of plug without influence on normal match between the plug and socket. In an optimal implementation, the element contains a metal ...
89 94111820 Method for producing cobalt oxide nickel oxide powder for electronic industry
The present invention relates to a method for producing cobalt oxide and nickel oxide powders for electronic industry. Its technological steps include: preparation of cobalt nitrate and ...
90 94106882 Solid dropping equipment
The solid voltage-dropper is composed of plastic casing, epoxy resin sealing plane, terminals, electrically conducting paste, and composite filler prepared with sodium chloride, sodium h...
91 94111818 Method for producing silicon dioxide powder for electronic industry
The present invention relates to a production method of silicon dioxide powder for electronic industry. In said invention, industrial sodium silicate and hydrochloric acid are used as ra...
92 94111819 Method for preparing Bi2O3 powder for electronic industry
The present invention relates to a preparation method of Bi2O3 powder for electronic industry. It is characterized by that a high-purity electrolytic metal bismuth is used as raw materia...
93 98107948 Circuit protection device
Laminar electrical devices, in particular circuit protection devices, contain two laminar electrodes, with a Positive Temperature Coefficient (PTC) element between them, and a cross-condu...
94 94116135 Temporature sensor and manufacture of same
The sensor used for measuring the catalyst temperature in treatment of automobile waste gas is comprised of heat resistant hood, heat sensitive resistor and lead wires, the main ingredie...
95 94193355 Electrical assembly
Laminar electrical devices, in particular circuit protection devices, contain two laminar electrodes, with a PTC element between them, and a cross-conductor which passes through the thick...
96 94111526 High molecular polymer thermistor with positive temp. coefficient
The thermosensitive resistor with positive temp. coefficient for automatic control is made of high-molecular polymer, electrically conductive filler and thermally conductive filler, and ...
97 95100070 Metal oxide lightning arrester
The metallic oxide lightning arrester for over-voltage protection of power plant, transformer substation and electrified railway features that quartz sand as arc extinguishing and heat c...
98 95102746 Protection plug
An over-voltage protection plug for telecommunication installations, including a housing with a printed-circuit board, a voltagesurge suppressor, a slider, a spring, an earth plate, a sig...
99 95103101 Nonlinear resistance card and making method thereof
The present invention discloses a non-linear resistance card, including non-linear resistance body and two aluminium end electrodes. The external side of the non-linear resistance body h...
100 95191941 Positive temperature coefficient thermistor and thermistor device using it
The invention provides a high reliable positive temperature coefficient thermistor capable of avoiding silver migration even under high temperature and humidity environment. The first cha...
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