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Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Inventor: Cheol Kyun Kim


Address: Seoul, KR
No. of patents: 3
Last patent issue date: 12/13/2005

NumberTitleIssue Date
6974649Stencil mask for electron beam projection lithography and fabrication method
The present invention relates to a stencil mask for non-optical lithography and a method for fabricating such a mask. The disclosed stencil mask includes a frame for supporting the whole structure; a membrane disposed on the frame for equalizing stresses resulting f...
12/13/2005
6447688Method for fabricating a stencil mask
Disclosed is a novel method for fabricating a stencil mask comprising the formation of an absorber pattern, including an alignment key or target, on the topside of an SOI wafer having a transparent buried insulating layer. The formation of the absorber pa...
09/10/2002
6316151Stencil mask
A stencil mask used as an exposure mask in a non-optical lithography process using an electron beam, X-ray or ion beam as a light source, comprising: a membrane; and a layer formed over the membrane, for scattering or absorbing electrons, wherein the laye...
11/13/2001
 
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