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Glass Calibration Plate
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Glass Calibration Plate

The glass calibration plate is used to calibrate robot handlers and moving stages, correct distortion of inspections and lenses, etc., using images of the imaged plate.
In Shibuya Optics, we prepare 3 patterns with grid checker dots, and 3 types and various sizes.
Please contact with us for customized sizes and patterns.

PDF data download
Grid Pattern: DrawingGrid Pattern▼
Checker Pattern: DrawingChecker Pattern▼
Dot Pattern: DrawingDot Pattern▼

(1) Type

White, Luster Type / White, Matt Type

Base material of Glass Calibration Plate is made of White, Nextrema *. It has a very low thermal expansion coefficient which is almost equivalent to synthetic silica. Precise pattern is printed on white glass, therefore its contrast seems sharper than the current transparent ones. "White, Luster type" polished the surface, "White, Matt type" is doing matt treatment.
* Heat-resistant crystallized glass manufactured by SCHOTT(Nextrema(R) Characteristic table)

Transparent Type

Base material of Glass Calibration Plate is made of Fused Silica. 10 mm / 1000 division grid type, can be easily used as a Resolution Test Chart.
Transparent TypeTransparent Type
White TypeWhite Type

(2) Inspection Report and Traceability Certificate

In case of that Inspection Report and Traceability Certificate is requested, your item will be measured at one direction 10 random points (23 ˚C) by Shibuya, and then the inspection report and traceability certificate will be issued (chargeable). As for X Y axes or further request, please contact with us for details.
Shibuya Optical Inspection Certificate Sample
The measurement (10 random points, 20 ˚C) by JQA (Japan Quality Assurance Organization) or by JSPMI (Japan Society for the Promotion of Machine Industry) is also available. Please contact with us for details.
･JQA Calibration Certificate Sample ( PDF )

(3) Price List

Grid Pattern ( CBG Series )


Cat. No.MaterialTypeSize detailed
drawing
CBG01-150RL White, Nextrema White, Luster 160 x 160 mm x 3 T   drawings
CBG01-150RM White, Nextrema White, Matt 160 x 160 mm x 3 T   drawings
CBG01-150T Fused Silica Transparent 160 x 160 mm x 3 T   drawings
CBG01-50RL White, Nextrema White, Luster 60 x 60 mm x 3 T   drawings
CBG01-50RM White, Nextrema White, Matt 60 x 60 mm x 3 T   drawings
CBG01-50T Fused Silica Transparent 60 x 60 mm x 3 T   drawings
CBG02-10T Fused Silica Transparent 20 x 20 mm x 1 T   drawings
CBG03-19T Fused Silica Transparent 20 x 20 mm x 2 T   drawings
CBG04-20RL White, Nextrema White, Luster 30 x 30 mm x 1 T   drawings
CBG05-148RL White, Nextrema White, Luster 150 x 150 mm x 3 T   drawings
CBG05-148RM White, Nextrema White, Matt 150 x 150 mm x 3 T   drawings
CBG05-148T Fused Silica Transparent 150 x 150 mm x 3 T   drawings
CBG05-58RL White, Nextrema White, Luster 60 x 60 mm x 3 T   drawings
CBG05-58RM White, Nextrema White, Matt 60 x 60 mm x 3 T   drawings
CBG05-58T Fused Silica Transparent 60 x 60 mm x 3 T   drawings

Checker Pattern ( CBC Series )


Cat. No.MaterialTypeSize detailed
drawing
CBC01-150RL White, Nextrema White, Luster 160 x 160 mm x 3 T   drawings
CBC01-150RM White, Nextrema White, Matt 160 x 160 mm x 3 T   drawings
CBC01-150T Fused Silica Transparent 160 x 160 mm x 3 T   drawings
CBC01-50RL White, Nextrema White, Luster 60 x 60 mm x 3 T   drawings
CBC01-50RM White, Nextrema White, Matt 60 x 60 mm x 3 T   drawings
CBC01-50T Fused Silica Transparent 60 x 60 mm x 3 T   drawings
CBC01-50TS
NEW		 Fused Silica Transparent 60 x 60 mm x 3 T   drawings

Dot Pattern ( CBD Series )

Cat.No.MaterialTypeSize detailed
drawing
CBD01-150RL White, Nextrema White, Luster 160 x 160 mm x 3 T   drawings
CBD01-150RM White, Nextrema White, Matt 160 x 160 mm x 3 T   drawings
CBD01-150T Fused Silica Transparent 160 x 160 mm x 3 T   drawings
CBD01-50RL White, Nextrema White, Luster 60 x 60 mm x 3 T   drawings
CBD01-50RM White, Nextrema White, Matt 60 x 60 mm x 3 T   drawings
CBD01-50T Fused Silica Transparent 60 x 60 mm x 3 T   drawings
CBD02-5T Fused Silica Transparent 20 x 20 mm x 1 T   drawings

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