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:
Apr. 09, 1996
Filed:
Dec. 30, 1993
Boris Plesinger, Scottsdale, AZ (US);
Compaq Computer Corporation, Houston, TX (US);
Abstract
Disclosed are an ink jet printhead and method of manufacturing the same. The method of manufacturing comprises the steps of: (1) coating a substantially flat lower surface of an upper piezoelectric member with a first conductive coating, (2) coating a substantially flat upper surface of a lower piezoelectric member with a second conductive coating, (3) depositing a conductive solder over the first conductive coating, (4) forming a first elongated indentation in the lower surface, the first indentation extending through the first coating and into the upper member, (5) joining the solder with the second conductive coating by placing the upper piezoelectric member over the lower piezoelectric member, (6) heating the upper and lower piezoelectric members to thereby melt the solder and (7) cooling the solder, the solder electrically and mechanically joining the first coating to the second coating, the first indentation and the upper surface thereby forming the channel, the channel capable of containing ink and capable of ejecting ink therefrom when an electric current distorts the upper and lower piezoelectric members.