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.:

US 8394307 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 12, 2013

Filed:

Dec. 09, 2009
Applicants:

Masumi Ikeda, Kawasaki, JP;

Etsuko Hino, Tokyo, JP;

Inventors:

Masumi Ikeda, Kawasaki, JP;

Etsuko Hino, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 33/40 (2006.01); H01L 21/00 (2006.01); B41J 2/015 (2006.01); G01D 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A Method for manufacturing a liquid discharge head having a flow path forming member for forming a liquid flow path which communicates with a discharge port discharging liquid, comprises; preparing a layer containing a compound having a structure represented by Formula (1) and a structure represented by Formula (2) as a main chain on a substrate, providing a solution in which a resin is dissolved in a compound represented by Formula (3) or (4) on the layer, forming a mold having the shape as the flow path from the resin, providing a layer which will become the flow path forming member so as to cover the mold, and removing the mold to form the flow path.


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