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:
Dec. 28, 1982
Filed:
Mar. 10, 1981
Andre Jaecklin, Ennetbaden, CH;
BBC Brown, Boveri & Company Limited, Baden, CH;
Abstract
An optically activatable semiconductor component having at least one light-sensitive surface area containing a light-sensitive PN junction which is biased in a nonconducting direction when exposed to light, wherein in order to avoid a reduction in the inhibiting voltage of the optically activatable semiconductor component, the light-sensitive PN junction leading to the light-sensitive surface of the component is shaped such that it has a simple, preferably circular or tubular form at the light-sensitive surface. In one embodiment, plural light-sensitive PN junctions extend to the light-sensitive surface defining several subareas. The technology is applicable to thyristors, diodes, transistors or other light-sensitive semiconductor components.