Holder for holding a printed circuit for exposure to light
US6700650B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2002 |
| Grant date | Mar 2, 2004 |
| Priority date | — |
| Expiry date | Apr 6, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2203/1572
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A holder for exposing both faces of a panel to light in order to make a double-sided printed circuit using first and second flexible artworks. The holder has a first frame with no transparent plane support member for receiving the first flexible artwork, and a second frame with no transparent plane support member for receiving the second flexible artwork. The holder includes a system for positioning and fixing the peripheries of the artworks to their respective frames. The holder further includes a mechanism for positioning and holding the panel between the frames. There is an approach mechanism for causing the frames to move towards the faces of the panel. There is also a system for establishing suction in the volume defined between the frames having the panel therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.