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US3607388A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of preparing photoconductive layers on substrates

Assignee: Toshiba Corp
•
Filing: 1968-03-14
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Granted: 1971-09-21
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Expires: 1988-03-14
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Abstract

Abstract A method of preparing a vapor-deposited layer having photoconductivity on a substrate, in which lead oxide and at least one of the compounds selected from the group consisting of chalcogenides of Cu, Ag, Zn, Cd, Hg, Ga, In, Tl, Ge, Sn, Sb and Bi are evaporated simultaneously from separate sources, and are vapor-deposited on the substrate. This vapor deposition is carried out in an oxygen or oxygen-containing atmosphere.

Inventors

  • 👤 Hiroo Hori
  • 👤 Shigeo Tsuji
  • 👤 Yuji Kiuchi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 11:14
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/233; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/45; Y; Y10; Y10S; Y10S148/00; Y10S148/064; Y10S148/158; Y10S148/169

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 21 words
A method according to claim 1 in which said substrate is a substrate in a target of an image pickup tube.
Claim 2
Dependent Claim 23 words
A method according to claim 1 in which the thickness of said substrate is in the range of 5 to 20 Mu .

References Cited (Backward Citations)

US3026218A Cited
US3048502A Cited
US3307983A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-09-20 1975-03-22 1975-09-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-20 1979-03-22 1979-09-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-20 1983-03-22 1983-09-21 $7700.00 Window Closed / Lapsed

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