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:
Feb. 22, 1994
Filed:
Dec. 30, 1991
Junichi Sato, Tokyo, JP;
Keiji Shinohara, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A multilayer connector is provided, in which at least a first wiring layer is formed, a second wiring layer is formed on the first wiring layer through an interlevel insulator, a contact hole is bored through the interlevel insulator at its portion in which the first and second wiring layers are connected, a coupling conductor is formed within the contact hole and the first and second wiring layers are electrically connected to each other by means of the coupling conductor. A recess portion having an opening is formed on the first wiring layer, the opening of the recess portion being increased in width from a peripheral edge of the contact hole, wherein the coupling conductor formed within the recess portion by a selective chemical vapor deposition process is formed within the contact hole of the interlevel insulator.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile