REFLECTION TYPE LEVEL GAGE
PURPOSE:To obtain a reflection type level gage, which can obtain visible property even if a total reflection member made of a material, having the refractive index without total reflection is used on both slant surfaces forming a protruding part under the condition, wherein the apex angle of the pro...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PURPOSE:To obtain a reflection type level gage, which can obtain visible property even if a total reflection member made of a material, having the refractive index without total reflection is used on both slant surfaces forming a protruding part under the condition, wherein the apex angle of the protruding part is made to be 90 degrees. CONSTITUTION:An angle theta of the apex angle of a protruding part 3a is set in the following range based on the material of a total reflecting member 3: 2sin(n2/n3) |
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