REFLECTIVE ENCODER SCALE, REFLECTIVE ENCODER SCALE PRODUCTION METHOD, AND ENCODER UNIT

PROBLEM TO BE SOLVED: To provide a reflective encoder scale capable of providing sufficient moisture-proof performance even under high-temperature high-humidity conditions.SOLUTION: The reflective encoder scale comprises: a light-transmitting resin substrate 10 that receives light through a front fa...

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1. Verfasser:	SHINODA YASUSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a reflective encoder scale capable of providing sufficient moisture-proof performance even under high-temperature high-humidity conditions.SOLUTION: The reflective encoder scale comprises: a light-transmitting resin substrate 10 that receives light through a front face 11; a light-reflecting metal film 20 formed on a rear face 12 of the light-transmitting resin substrate 10 in a prescribed pattern; and a low reflection layer 30 that absorbs light not reflected by the light-reflecting metal film 20. The reflective encoder scale is characterized by a resist 40 attached to the light-reflecting metal film 20.SELECTED DRAWING: Figure 1 【課題】高温高湿条件下でも十分な防湿性能を得ることができる反射型エンコーダスケールを提供すること。【解決手段】表面１１から光を入射する透光性樹脂基板１０と、所定のパターンにて透光性樹脂基板１０の裏面１２に形成した光反射用金属膜２０と、光反射用金属膜２０で反射されない光を吸収する低反射層３０とを備え、光反射用金属膜２０にレジスト４０を付着させたことを特徴とする。【選択図】図１