Electrical resistor and method of production
US4065656A · kind A · utility
7Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1975 |
| Grant date | Dec 27, 1977 |
| Priority date | — |
| Expiry date | Jun 30, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB44B7/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A laser beam is used to spiral, or otherwise remove a portion of the resistance material from, a resistance film on a glass substrate. The glass has a radiation absorber incorporated in its composition to minimize transmission of the laser beam through the glass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.