Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1996-09-24
1998-07-07
Watkins, William
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
428152, 428156, 428220, 345163, 24834601, B32B 330, A47B 9700
Patent
active
057765855
ABSTRACT:
A mouse pad which allows a mouse ball to rotate accompanied with the movement of a mouse accurately and prevents generation of static electricity and unpleasant frictional noise during operation of the mouse and collection of dust and fluff as well as exhibiting high impact resistance strength and flexural strength. The mouse pad for improving a controllability of the mouse as a computer input device is formed from a glass having a rugged pattern surface. An average roughness of the rugged pattern surface ranges from 2 to 20 .mu.m, and preferably from 2 to 8 .mu.m. It is also preferable that the glass is formed as a crystallized glass.
REFERENCES:
patent: 4799054 (1989-01-01), House
patent: 4833001 (1989-05-01), Kijima et al.
patent: 5358766 (1994-10-01), Field
patent: 5492298 (1996-02-01), Walker
Fukuhara Toru
Kinoshita Ken-ichi
Narumi China Corporation
Watkins William
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