Method for producing flow path member, method for producing liquid ejecting head, and method for producing liquid container

Inactive Publication Date: 2018-06-21
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0020]In this aspect, a liquid container having a flow path member with red

Problems solved by technology

However, cutting the gap forming member by press work causes deformation of the flow path member due to stress applied during the press work.
Deformation of the flow path member raises a problem that the size of gaps are reduced and pressure loss during liquid flow through the flow path member increases.
Accordingly, the degree of deformation of the gaps varies depending on the positions in the gap forming member, leading to variation in pressure loss among a plurality of flow path members.
On the other hand, if a force by which the gap forming member is pressed between the die plate and the stripper during press wor

Method used

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Examples

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Example

Embodiment 1

[0035]FIG. 1 is a schematic configuration view of a laser processing apparatus according to Embodiment 1 of the invention. As shown in the figure, the laser processing apparatus 1 is mounted on an apparatus main body 2 and includes a holding section 3 that holds a base plate 100 which includes a gap forming member which is formed to allow the gaps to communicate each other.

[0036]The base plate 100 is a plate member which includes a gap forming member which is formed to allow the gaps to communicate each other. Further, the base plate 100 which includes the gap forming member refers to both the base plate having the gap forming member formed over the entire surface and the base plate having the gap forming member formed on part of the surface. In other words, the base plate 100 may be made up of solely the gap forming member, and the base plate 100 may include a portion in which a gap forming member is formed and a portion in which gaps are not formed or gaps do not communic

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PUM

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Abstract

A method for producing a flow path member including a laser processing step for forming the flow path member by laser processing by cutting a base plate, the laser processing step includes: a first cutting step for cutting a region to be formed as the flow path member by laser processing without separating the region from the base plate; and a second cutting step for cutting the region to be formed as the flow path member by laser processing to separate the region from the base plate, wherein the first cutting step is performed while the region to be formed as the flow path member is not supported, and the second cutting step is performed while the region to be formed as the flow path member is supported.

Description

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Claims

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Application Information

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Owner SEIKO EPSON CORP
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