Block guage and method of marking ceramic material

Details Block guage and method of marking ceramic material Block guage and method of marking ceramic material

1992-07-01

1993-12-21

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501102, 501103, 501152, 33DIG11, 2191216, 430346, C04B 3548, C04B 3549, G03C 500

Patent

active

052721205

ABSTRACT:
A method of making a ceramic material by radiating a laser beam onto the portion of said ceramic material to be marked in a low oxygen atmosphere and a block gauge marked by this marking method. This marking method enables a ceramic material to have a distinct mark. A block gauge composed of a ceramic material has excellent properties such as corrosion resistance.

REFERENCES:
patent: 4430279 (1984-02-01), Hagio et al.
patent: 4542110 (1985-09-01), Nakada et al.
patent: 4656145 (1987-04-01), Soroi
patent: 4769310 (1988-09-01), Gugger et al.
patent: 5103073 (1992-04-01), Danilov et al.
"Tesaramic Ceramic Gauge Blocks Setting the Standards for the World!", TESA Reference Standards Div., Tesa Metrology, Ltd., Mar. 1990.
Feb. 18, 1992 Japanese Patent Office Action (see Appendix paragraph 6).
"PROZYR", Ceramiques Techniques Desmarquest, France Jul. 1, 1986.
"Data Sheet 12: Ceramic Gage Blocks, Series 516", Mitutoyo Corporation, Apr. 1989.
Rupert Le Grant, "Ceramic Gages and Fixtures", American Machinist/Metalworking Manufacturing, Jan. 21, 1963, p. 98.

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