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US3725310A Expired / Lapsed US ⏱️ 0.0 years remaining

Semiconducting cadmium cadmium-zinc and mercury phosphide halides

Assignee: EIDP Inc
•
Filing: 1971-08-10
•
Granted: 1973-04-03
•
Expires: 1991-08-10
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Abstract

Abstract Disclosed are phosphide halides of cadmium, cadmium-zinc, and mercury which are semiconductors and which may be doped with materials such as indium, copper, magnesium, and the like. The compositions are useful in semiconductor devices such as thermistors, rectifiers and visible light and infrared detectors.

Inventors

  • 👤 P Donohue

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:20
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/10; H; H01; H01C; H01C7/00; H01C7/04; H01C7/042

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 35 words
A composition of claim 1 containing a small amount of a dopant selected from the group consisting of In3 , Cu1 , Ag1 , Mg2 , Mn2 , S2 , Se2 , and Te2 .
Claim 2
Dependent Claim 10 words
A composition of claim 1 in which M is Cd.
Claim 3
Dependent Claim 10 words
A composition of claim 1 in which M is Hg.
Claim 4
Dependent Claim 14 words
The composition of claim 3 in which y 0 and X is chlorine; Cd2P3Cl.
Claim 5
Dependent Claim 14 words
The composition of claim 3 in which y 0 and X is bromine; Cd2P3Br.
Claim 6
Dependent Claim 14 words
The composition of claim 3 in which y 0 and X is iodine; Cd2P3I.
Claim 7
Dependent Claim 14 words
The composition of claim 3 in which y 1.16 and X is chlorine; Cd0.84Zn1.16P3Cl.
Claim 8
Dependent Claim 14 words
The composition of claim 3 in which y 0.46 and X is chlorine; Cd1.54Zn0.46P3Cl.
Claim 9
Dependent Claim 14 words
The composition of claim 3 in which y 0.16 and X is chlorine; Cd1.84Zn0.16P3Cl.
Claim 10
Dependent Claim 18 words
The composition of claim 3 in which y 0 and X is 0.74 chlorine and 0.26 iodine; Cd2P3Cl0.74I0.26.
Claim 11
Dependent Claim 18 words
The composition of claim 3 in which y 0 and X is 0.58 chlorine and 0.42 bromine; Cd2P3Cl0.58Br0.42.
Claim 12
Dependent Claim 18 words
The composition of claim 3 in which y 0 and X is 0.59 bromine and 0.41 iodine; Cd2P3Br0.59I0.41.
Claim 13
Dependent Claim 18 words
The composition of claim 3 in which y 0 and X is 0.83 bromine and 0.17 iodine; Cd2P3Br0.83I0.17.
Claim 14
Dependent Claim 14 words
The composition of claim 4 in which y 0 and X is Cl; Hg2P3Cl.
Claim 15
Dependent Claim 13 words
The composition of claim 4 in which y 0 and X Br; Hg2P3Br.
Claim 16
Dependent Claim 18 words
The composition of claim 4 in which y 0 and X is 0.5 Br and 0.5 Cl; Hg2P3Br0.5Cl0.5.

References Cited (Backward Citations)

US3303005A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-04-02 1976-10-02 1977-04-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-04-02 1980-10-02 1981-04-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-04-02 1984-10-02 1985-04-03 $7700.00 Window Closed / Lapsed

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