METHOD FOR MARKING KEY TOP MADE OF TRANSLUCENT MATERIAL, KEY TOP MARKED BY THAT METHOD, KEY UNIT, AND PROCESS FOR PRODUCING KEY UNIT

• Main Author: KANEKO, TAKEHIRO
• Format: Patent
• Language: English; French; Japanese
• Published: 12.08.2004
• Edition: 7
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; RELAYS; SELECTORS; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

A method for marking a key top made of a translucent material with a character, a symbol, or the like, with sufficient wear resistance at a timing free from restriction from other processes, and a process for producing an illumination key unit which can be completed in an extremely short time by det...