Title: Heater lead-out wire and its mfg. method
Application Number: 93105063 Application Date: 1993.05.19
Publication Number: 1081017 Publication Date: 1994.01.19
Approval Pub. Date: Granted Pub. Date: 1995.12.20
International Classifi-cation: H01J5/46,H01J9/28,H01K1/40
Applicant(s) Name: Beijing Electronic Tube Factory Address: 100016
Inventor(s) Name:
Attorney & Agent:
Abstract:
     Lead-out wire for electronic vacuum device and filament of electric light source comprises core wire and protecting coating. Said core wire is made of bare dumet wire with no borate in its surface and its protecting coating is formed by electroplating a layer of Ni, or Ag, or Ag-Cu. Its advantages include low cost, better conductivity, weldability, and air tightness, and easy sealing with soft glass.
Time: 12
<- Previous Patent:Connecting method of filament wit...   |  Next Patent:Electric lamp ->