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For rotary encoders, the precision of the Slit Disk that turns the revolutions into signals or code is quintessential.
In order to create more precise patterns, we have incorporated Laser Direct Write Pattern Generators, and carry out production in-house from the master disk.
With our slogan “Experts in the Nano World”, we have been dedicated to photo-fabrication for over 50 years.
With the introduction of a new Laser Direct Write Pattern Generator, we can provide more precise and higher quality patterns.
Applications in a wide variety of fields, including automotive, gaming, home appliances, optical transmissions, measurements, security, and more.
Accepting jobs from prototypes.
Reticles, known for their gradient lines, are used in a wide variety of applications, including sights for telescopes and optical microscopes, as well as rifle scopes. We can handle jobs from prototypes to mass production.
This is a high-precision standard scale written directly using the Laser Direct Write Pattern Generator in order to achieve even more precise measurements.
In addition to standard gradation lines, a stage micrometer function has been included, so that one scale can be used for measuring devices, precision measuring and evaluation in semiconductor manufacturing, magnification calibration of microscopes, etc.
Koshibu Precision Co,Ltd.
Tokyo Headquarters
〒179-0085 Tokyo-to Nerima-ku Hayamiya 2-20-11
TEL.03-3934-2670 FAX.03-3931-6550
Nagano Factory
〒399-3303 Nagano-ken Shimoina-gun Matsukawa Town, Moto-Ohshima 2903-33
TEL.0265-36-3400 FAX.0265-36-5237
￥50 million
July, 1964
Taichi Ogihara
Rotary Encoder Slit Disks
Glass Photomasks (2D/3D)
Various Optical Scales / Reticles
Optical parts including Lenses, Prisms, Mirrors, etc.
