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Patent Searching and Data


Title:
MASK HOLDING DEVICE AND THIN FILM FORMING DEVICE
Document Type and Number:
Japanese Patent JP2011195907
Kind Code:
A
Abstract:

To provide a mask holding device holding a mask without wrinkles so that a single mask having no mask frame is conveyed on a substrate or the position of the mask to the substrate is adjusted.

A mask holding and positioning device 5 including a magnetic material, and holding a sheet-shaped mask having openings for patterning a thin film formed on a substrate, is provided with a mask magnetically attracting plate 54 by which the mask is magnetically attracted on one surface side by a plurality of permanent magnets disposed on the other side. The plurality of permanent magnets are so constituted that magnetic field distribution of a first region on the one surface side of the mask magnetically attracting plate 54 and magnetic field distribution of a second region of the one surface side are different from each other.


Inventors:
ONO YUJI
HAYASHI TERUYUKI
TOBE YASUHIRO
ORIMO FUMIO
Application Number:
JP2010065086A
Publication Date:
October 06, 2011
Filing Date:
March 19, 2010
Export Citation:
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Assignee:
TOKYO ELECTRON LTD
International Classes:
C23C14/04; H01L51/50; H05B33/10
Attorney, Agent or Firm:
Nobuo Kono
Hideno Kono