IP Library › Granted Patent US 10,634,991
Granted Patent B2
US 10,634,991 · App. 14/969,226 · Granted Apr 28, 2020

Container for storing a pellicle for lithography

Inventor: Toru Shirasaki (Annaka, JP)
Assignee: SHIN-ETSU CHEMICAL CO., LTD.
G03F1/62G03F1/66G03F7/70916G03F7/70983H01L21/67359H01L21/67366
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Quick Facts
Patent No.
US 10,634,991
App. No.
14/969,226
Granted
Apr 28, 2020
Kind
B2
Abstract

There is provided a pellicle container for storing a pellicle used in lithography, having a tray and a cover between which the pellicle is stored, and the tray has a pellicle mount section on which the pellicle is used to be mounted, but the tray of this container further has a plane plate, preferably a quartz plane plate, having a flatness of 10 micrometers or smaller provided on top of the pellicle mount so as to stabilize the flatness of the pellicle, especially its agglutinant layer.

Claims (9)

1. A pellicle storing apparatus, comprising:

a pellicle comprising:

a pellicle frame, and

a transparent pellicle membrane attached to an upper side of the pellicle frame,

wherein the pellicle frame having an agglutinant layer attached on a lower side of the pellicle frame, the agglutinant layer being covered with a protective separator; and

a tray comprising:

a plate made of quartz, and

a pellicle mount made of a resin, the pellicle mount having a square surface and the plate made of quartz being placed on the square surface,

wherein the agglutinant layer covered with the protective separator is placed directly on a surface of the plate, the surface of the plate having a flatness of 10 micrometers or smaller.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 15, 2015
From: SHIRASAKI, TORU
To: SHIN-ETSU CHEMICAL CO., LTD.
Reel/Frame 037294/0076 →
Priority Claims (1)
JP 2014-255838 · Dec 18, 2014 · national
Continuity (1)
Related Publication 20160178998A1 · Jun 23, 2016