SCRIBING WHEEL AND MANUFACTURING METHOD THEREOF

PROBLEM TO BE SOLVED: To elongate a lifetime of a scribing wheel.SOLUTION: When a discoid scribing wheel substrate is ground so that a V-shaped tip can be obtained from a circumferential part, grinding is performed so that a grinding striation 14 parallel to a tip ridgeline 15 is formed. Thereafter,...

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1. Verfasser:	KITAICHI MITSURU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS TRANSPORTING WORKING CEMENT, CLAY, OR STONE WORKING STONE OR STONE-LIKE MATERIALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To elongate a lifetime of a scribing wheel.SOLUTION: When a discoid scribing wheel substrate is ground so that a V-shaped tip can be obtained from a circumferential part, grinding is performed so that a grinding striation 14 parallel to a tip ridgeline 15 is formed. Thereafter, a diamond film is formed on the tip by a CVD method. When a brittle material substrate is scribed by using the scribing wheel, exfoliation or break of the diamond film hardly occurs even when the scribing is advanced, to thereby elongate a lifetime of the scribing wheel.