Liquid discharge head and method for manufacturing the same

(19)

(11)

EP 2 289 700 A8

(12)	CORRECTED EUROPEAN PATENT APPLICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 A1)

(48)	Corrigendum issued on:
	27.04.2011 Bulletin 2011/17

(43)	Date of publication:
	02.03.2011 Bulletin 2011/09

(21)	Application number: 10008808.7

(22)	Date of filing: 24.08.2010

(51)

International Patent Classification (IPC):

B41J 2/16^(2006.01)

H01L 23/544^(2006.01)

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
	Designated Extension States:
	BA ME RS

(30)

Priority:

25.08.2009 JP 2009194455

(71)	Applicant: Canon Kabushiki Kaisha
	Tokyo (JP)

(72)	Inventors:
	Fujii, Kenji Tokyo (JP) Asai, Kazuhiro Tokyo (JP) Watanabe, Makoto Tokyo (JP) Tagawa, Yoshinori Tokyo (JP) Imanaka, Yoshiyuki Tokyo (JP) Tamaru, Yuuji Tokyo (JP) Kubo, Kousuke Tokyo (JP)

(74)	Representative: Weser, Wolfgang et al
	Weser & Kollegen Patentanwälte Radeckestrasse 43 81245 München 81245 München (DE)

(54)	Liquid discharge head and method for manufacturing the same

(57) A liquid discharge head of the present invention comprises a substrate and a flow path wall member provided on the substrate and having a wall of a flow path communicated with a discharge port for discharging liquid, wherein said flow path wall member is provided with a cavity not communicated with said flow path, when viewed in a direction from said discharge port toward said substrate, said cavity has a shape of a character, and said character corresponds to information regarding said liquid discharge head.