Sumitomo General Catalog 2025-2026

For LCD Light Guide Plate Mold Machining, etc. For Optical Shim Mold Machining, etc. Ultra-Precision Cutting Tool UPC-Nano Endmill / UPC-Nano Profile Optical Components

Ultra-precision Cutting Tool UPC-Nano Endmill For LCD Light Guide Plate Mold Machining, etc.

Enables world's smallest class of free-form ne grooving This endmill enables machining of rectangular grooves along free curves. Enables quick high-aspect-ratio machining in edged shapes that cannot be achieved using the photolithography method or ion-beam method.  Features D Enables machining with a high aspect ratio 2.5 times the rotation diameter. D Durable cutting edge with high-precision grinding. D Enables high-precision ne grooving that cannot be achieved using the photolithography method or ion-beam method.

AL

 Applications D For machining of LCD light guide plate molds, hologram diffraction grating molds, free-form ne grooving

Cutting Edge Shape

L

45°

B

(0.5)

500μm Example of Cutting Using a Nano Endmill

Cutting Edge Shape

G

5

16

(1) L: 50, W: ø6 (2) L: 40, W: ø4

Standard Size

Ultra-precision Cutting Tool UPC-Nano Profile For Optical Shim Mold Machining, etc. Formed Single Crystal Diamond Tool with Free-form Cutting Edge When machining multiple formed grooves or over a long distance, a formed tool makes it easy. UPC-Nano Prole is an ultra-ne formed cutting tool with a free-form prole on its single crystal diamond cutting edge.

 Features D Enables exible one-pass machining of free-form surfaces including elliptical and paraboloidal surfaces with a prole accuracy of 1μm or less. D Ensures high-prole accuracy in machining of paraboloidal and other free-form surfaces.  Applications D For optical lens molds, liquid crystal panel optical shim molds, micro lens array molds

Ellipse

0.05mm

Concave Round Cutting Edge Shape

Oval Cutting Edge Shape

AL12

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