Company Information
| Name | YACHIYO MICROSCIENCE INC. (YMI) |
| Date established | November, 1937 |
| Representative | Hidenori Aoki , President |
| Capital | JPY 10 million |
| Number of Employees | 21 (As of February, 2023) |
| Main Customer | ASAHI GLASS CO., LTD. Canon Inc. HOYA CORPORATION KONICA MINOLTA HOLDINGS, INC. Namiki Precision Jewel Co., Ltd. NIKON CORPORATION OHARA INC. Shin-Etsu Chemical Co., Ltd. |
| Address | Head Office 29-6, Kanda Higashimatsushita-cho, Chiyoda-ku, Tokyo, 101-0042, Japan Phone +81-3-3256-6011 FAX +81-3-3252-0930 Osaka Branch Office Research and Development Center |
| Contact | If you have any questions, please contact us by e-mail. contact@ymi.co.jp |
Company History
| 1937 | Established as distributor of Painting Materials and Chemicals. |
| 1960s | Launched sales of Abrasive Powders and Polishing Pad. |
| 1990s | Launched sales of Division-Style Diamond Tool for Lapping Machine. |
| October, 2012 | Obtained ISO9001 certification. |
Products
| We, Yachiyo Microscience Inc., are not only the trading company of polishing and lapping items and materials with more than 70 years experiences, but are also trying to develop new products of this fields at our Research and Development Center. |
Diamond Tool for Grinding and Lapping “Briller Meule”
| This Diamond Tool is the most appropriate method for the grinding and lapping by using double-sided machine to glass and ceramics. There is the use of the Diamond grindstones for separated pieces of plate for double-sided machine platen. This tool can make high precision of flatness grinding and lapping for any kinds of glass and ceramics. It should be making innovation of efficiency in your factory.
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Cerium Oxide Abrasive Powders “MIREK™”
| We offer you Cerium Oxide Abrasive Powder “MIREK” for polishing hard disk substrate, liquid crystal panel, photo mask substrate, eye glasses, precision optical lens, and other glass. There are many grain diameter for any process of polishing. |
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Diamond Pellet “MIDIA”
| This diamond pellet is used for heavy and fine grinding and lapping of many materials. You will be able to find the optimum type of diamond pellet for optical glass, crystal, ceramics, ferrite, metal, and others. |
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Precision Polishing Pad
| There are abundant variety of polishing pad for silicon wafer, semiconductor materials, photo mask substrate, hard disk substrate, and other glass. They are the most appropriate to use for ultra-precision polishing. We have nonwoven type, suede type, and others. |
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Grinding and Lapping Lubricant “DIA-CUT”
| This is our original Lubricant for any glass and ceramics. It makes growing efficiency of grinding and lapping. We offer you the following 4 kinds of “DIA-CUT” lineup which depends on what you need for. |
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| ・Type S : for various optical materials (pH7.8) ・Type E : environmental consideration type without triethanolamine (pH7.2) ・Type W : for sapphire & SiC substrate (pH8.6) ・Type F : for resinoid diamond tools without triethanolamine (pH8.6) |
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