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Patent No. 5823386

Reward Candy Dispenser for Personal Computers

A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.

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Assignee: K.C. Tech Co., Ltd.


Location: Anseong-si, KR
No. of patents: 2

NumberTitleIssue Date
7470295Polishing slurry, method of producing same, and method of polishing substrate
Disclosed herein is a polishing slurry for chemical mechanical polishing. The polishing slurry comprises polishing particles, which have a particle size distribution including separated fine and large polishing particle peaks. The polishing slurry also comprises pol...
12/30/2008
7364600Slurry for CMP and method of polishing substrate using same
Disclosed herein is a polishing slurry and a method of producing the same. The polishing slurry has high selectivity in terms of a polishing speed of an oxide layer to that of a nitride layer used in CMP of an STI process which is essential to produce ultra highly i...
04/29/2008
 
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