Treatment method and apparatus for printed circuit boards and the like
US5553700A · kind A · utility
12Cited by
16References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 1995 |
| Grant date | Sep 10, 1996 |
| Priority date | — |
| Expiry date | Apr 10, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S134/902
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for transporting thin materials, such as printed circuit boards, through an apparatus for treatment of said boards with an etchant, rinse or other chemical process step, including a transport conveyor having a plurality of rotation members with a specially configured rim for contacting the thin materials and moving them through the apparatus with a longer contact path in each rotation of a rotation member than the circumference of the rotation member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.