US 12,187,047 B2
Flow passage member, liquid ejecting head, liquid ejecting apparatus, and method for manufacturing flow passage member
Eiichiro Watanabe, Matsumoto (JP); Hiroki Kobayashi, Matsumoto (JP); Shingo Tomimatsu, Shiojiri (JP); and Katsuhiro Okubo, Azumino (JP)
Assigned to Seiko Epson Corporation, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Jun. 14, 2021, as Appl. No. 17/304,040.
Claims priority of application No. 2020-104682 (JP), filed on Jun. 17, 2020.
Prior Publication US 2021/0394520 A1, Dec. 23, 2021
Int. Cl. B41J 2/175 (2006.01); B41J 2/14 (2006.01); C09D 11/30 (2014.01)
CPC B41J 2/17563 (2013.01) [B41J 2/14 (2013.01); B41J 2/17503 (2013.01); C09D 11/30 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A flow passage member, comprising:
a supply flow passage through which liquid flows;
a filter provided on a path of the supply flow passage, the liquid being configured to pass through the filter;
a fixing member which constitutes a part of the supply flow passage and on which the filter is fixed; and
a first member which constitutes a part of the supply flow passage and on which the fixing member is fixed; wherein
the fixing member is made of thermoplastic resin, and
the first member is made of any of thermosetting resin, metal, and ceramic, wherein
only one filter is fixed to the fixing member, and
in a plan view, an area size of the fixing member is smaller than an area size of the first member, where the plan view is a view in a direction in which the first member and the fixing member overlap each other.