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.

Date of Patent:
Sep. 11, 1990

Filed:

May. 12, 1989
Applicant:
Inventor:

Hilarion Braun, Xenia, OH (US);

Assignee:

Eastman Kodak Company, Rochester, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
3461 / ;
Abstract

An improved protective construction for a bubble jet print head device of the kind having a substrate with a plurality of separately addressable resistive heater portions that are formed by address and common electrodes. The protective construction includes a first layer of dielectric material formed over the heater portions, a second layer of metal formed over the first layer, and a third layer having a physically hard and chemically inert outer surface portion overlying the second layer.


Find Patent Forward Citations

Braun, Hilarion. (1990). Bubble jet print head having improved multi-layer protective structure (U.S. Patent No. 4956653). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4956653

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…