US3615413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indium doping of selenium-arsenic photoconductive alloys
Assignee: Xerox Corp
•
Filing: 1969-06-23
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Granted: 1971-10-26
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Expires: 1989-06-23
Abstract
Abstract A xerographic plate having a novel photoconductive layer comprising a vitreous selenium-arsenic alloy containing indium in an amount sufficient to enhance the electrical characteristics of the plate.
Inventors
- 👤 Carl B Fisher
- 👤 Lloyd A Relyea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:32
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08; G03G5/082; G03G5/08207; Y; Y10; Y10S; Y10S148/00; Y10S148/064; Y10S148/072
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
18 words
The composition of claim 1 in which the arsenic is present in an amount up to about 20%.
Claim 2
Dependent Claim
22 words
The composition of claim 1 in which the indium is present in an amount from about 1 to 200 parts per million.
Claim 3
Dependent Claim
23 words
The composition of claim 1 in which the indium is present in an amount of from about 15 to 50 parts per million.
Claim 4
Dependent Claim
42 words
A xerographic plate including a photoconductive layer comprising a composition of selenium, arsenic, and indium, the arsenic being present in an amount up to about 50%, with the indium being present in a concentration of about 1 to 2000 parts per million.
Claim 5
Dependent Claim
32 words
The plate of claim 5 in which the arsenic is present in an amount up to about 20% and the concentration of indium is from abut 1 to 200 parts per million.
Claim 6
Dependent Claim
19 words
The plate of claim 5 in which the arsenic is present in an amount from about 0.1 to 0.5%.
Claim 7
Dependent Claim
23 words
The plate of claim 7 in which the indium is present in an amount of from abut 1 to 200 parts per million.
Claim 8
Dependent Claim
22 words
The plate of claim 8 in which the indium is present in an amount of about 15 to 50 parts per million.
Claim 9
Dependent Claim
34 words
A photosensitive element comprising: a. a supporting substrate, b. an insulating photoconductive composition overlaying said substrate comprising a vitreous selenium-arsenic alloy containing indium in an amount from about 1 to 2000 parts per million.
Claim 10
Dependent Claim
18 words
The element of claim 10 in which the arsenic is present in an amount up to about 20%.
Claim 11
Dependent Claim
18 words
The plate of claim 11 in which the indium concentration is about 1 to 200 parts per million.
Claim 12
Independent Claim
56 words
A method of imaging comprising: a. providing a xerographic plate which includes a photoconductive layer of an indium doped vitreous selenium-arsenic alloy containing indium in a concentration of about 1 to 2000 parts per million, b. forming a latent electrostatic image on the surface of said plate, and c. developing said image to make it visible.
Claim 13
Dependent Claim
18 words
The method of claim 13 in which the indium concentration is about 1 to 200 parts per million.
Claim 14
Dependent Claim
31 words
The method of claim 13 in which the arsenic is present in an amounT up to about 20%, and the indium concentration is from about 1 to 200 parts per million.
Claim 15
Dependent Claim
20 words
The method of claim 13 in which the arsenic is present in an amount of from about 0.1 to 0.5%.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |