Semiconductor device lead calibration unit
US5838434A · kind A · utility
9Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 1996 |
| Grant date | Nov 17, 1998 |
| Priority date | — |
| Expiry date | Dec 26, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L22/12
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
The invention is to a calibration unit (11) for use with a moveable scale reference (9) for calibration of semiconductor package outlines, the calibration unit (11) is a monolithic rectangular block which has a plurality of legs (12) formed on and integal with said rectangular block and having spacing independent from the leads on a semiconductor device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.