US 8,523,333 B2Granted

Thin plate stacked structure and ink-jet recording head provided with the same

AssigneeBrother Kogyo Kabushiki Kaisha

InventorAtsushi Ito

Life of this patent

Estimating the term…

Loading patent…

Abstract

A stacked structure is formed such that a plurality of thin plates, which include at least one liquid flow passage thin plate provided with a liquid flow passage having a predetermined pattern formed on at least one surface, are stacked with an adhesive. A release groove for releasing the adhesive is formed on the liquid flow passage thin plate. An air release hole, which is communicated with the release groove and which penetrates in the stacking direction, is bored through a thin plate stack stacked on the liquid flow passage thin plate. An opening, which allows the air release hole to be open to the outside, is formed on the thin plate disposed at the outermost layer of the thin plate stack. The air release hole has a diameter which is larger than the width of the release groove and which is larger than the opening disposed on the outermost layer. Any excessive adhesive is accumulated in the air release hole, and it is possible to greatly decrease the amount of the adhesive outflowing to the outside of a cavity unit.

Claims8

Dependent claims

A thin plate stacked structure comprising a plurality of thin plates which are stacked with an adhesive, the plurality of thin plates including at least one pattern-formed thin plate provided with a hole or a recess formed on at least one surface to extend in a predetermined direction, the stacked structure further comprising:

a release grove pattern, comprising one or more release grooves, which is formed on the at least one surface of the pattern-formed thin plate and which releases the adhesive;
wherein the release groove pattern has a longitudinal dimension extending along the predetermined direction and a width dimension perpendicular to the longitudinal dimension;
and
wherein none of the one or more release grooves intersect with any other grooves formed on the at least one surface of the pattern-formed thin plate;
and
wherein the release groove pattern extends along the predetermined direction without the one or more release grooves having any straight portion extending parallel to the predetermined direction and any straight portion extending perpendicular to the predetermined direction.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 11/983,627Filed 9 Nov 2007 · division
Priority: JP 2002-15435128 May 2002
Published: US 2008/0084460 A110 Apr 2008
Granted: 3 Sep 2013
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

B41J 2/1623
Manufacturing processes: bonding and adhesion
B41J 2/14209
Structure of print heads with piezoelectric elements: of finger type, chamber walls consisting integrally of piezoelectric material
B41J 2/1609
Production of print heads with piezoelectric elements: of finger type, chamber walls consisting integrally of piezoelectric material
B41J 2002/14217
Of finger type, chamber walls consisting integrally of piezoelectric material: multi layer finger type piezoelectric element

Family

Application10/446,465Parent of this division · filed 27 May 2003
Application11/087,297Parent of this division · filed 22 Mar 2005
US 2008/0084460 A1Pre-grant publication · published 10 Apr 2008
US 7,311,272 B2Parent of this division
US 6,955,420 B2Parent of this division
US 2003/0222949 A1Published application
US 2005/0162485 A1Published application
US 8,523,333 B2This patent

From the US filing history. Foreign family members aren’t listed.