Miniature keeper bar
US5336564A · kind A · utility
6Cited by
5References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 6, 1993 |
| Grant date | Aug 9, 1994 |
| Priority date | — |
| Expiry date | Dec 6, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A process for forming a keeper bar upon TAB tape leads for maintaining position of the leads during excise and form operations, integrated circuit placement, and lead bonding, utilizes the steps of immersing TAB tape into a bath of ultraviolet curable resin; directing ultraviolet radiation onto the TAB tape at location(s) where keeper bars are desired, so as to cure the resin to define the keeper bars; washing away uncured resin; and drying the TAB tape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.