The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 26, 1986
Filed:
May. 11, 1984
Applicant:
Inventor:
Ock-Ky Kim, Bridgewater, NJ (US);
Assignee:
AT&T Bell Laboratories, Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 30 ; 357 16 ; 2502 / ;
Abstract
In.sub.0.53 Ga.sub.0.47 As p-i-n photodiodes with room temperature dark currents as low as 0.1 nA at -10 V bias are realized by introducing a wide bandgap (e.g., quaternary InGaAsP) cap layer on the ternary InGaAs.