Patent · US Expired

Method of grounding a photoblank to a holding device

US6972832B1 · kind B1 · utility

0Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 13, 2000
Grant dateDec 6, 2005
Priority date
Expiry dateDec 19, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J2237/3175
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A retaining device for photo blanks, comprising a retaining member (1) with a supporting surface (3) for a photo blank (4) and a ground element (10) which can be brought into contact with an electroconductive layer (6) of said photo blank. The ground element is provided with a contact tip (15) which can be manipulated in such a way that it can be lowered substantially onto the photo blank (4) without any lateral movement in relation to said photo blank which is inserted into the retaining device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.