Adamant Namiki Precision Jewel Co

Adamant Namiki Precision Jewel Co., Ltd. ( アダマンド並木精密宝石 Adamant Namiki Seimitsu Houseki Kabushiki-gaisha) is a Japanese precision components manufacturer based in Tokyo, Japan.

Adamant Namiki Precision Jewel Co., Ltd.
アダマンド並木精密宝石株式会社
TypePrivate KK
Founded28 August 1953
Headquarters
Adachi-ku, Tokyo
,
Japan
Key people
Shoji Namiki (President and CEO)
ProductsIndustrial jewel components,
Optical components,
DC coreless Motors,
Medical devices
Websitewww.ad-na.com

Overview

In 1939, Namiki Precision Jewel Co., Ltd. started business as a manufacturer of synthetic sapphire jewel bearings for electrical measuring instruments. It later began selling these jewel bearings for use in watches in the 1960s. In 1957, Adamant Shoji (renamed Adamant Kogyo Co., Ltd. in 1959, and Adamant Co., Ltd. in 2014) was founded as a spin-off of Namiki as a result of business practices of the time. Thereafter, Namiki developed its product lineup primarily focusing on industrial jewel components, DC coreless motors, and medical devices. Meanwhile, Adamant Shoji’s business focused mainly on optical communication components. In 2017, Namiki and Adamant mutually agreed to unite their specialties to take their technologies and products to the next level. As a result, Adamant Namiki Precision Jewel Co., Ltd. was established on January 1, 2018.[1][2][3]

History

See Namiki Precision Jewel Co., Ltd. and Adamant Co., Ltd. for the history of each company prior to the January 1, 2018 intragroup merger.

Namiki merged with its subsidiary company, Adamant Co., Ltd., on January 1, 2018 and changed its name to Adamant Namiki Precision Jewel Co., Ltd.

Primary business

Industrial jewel components

Adamant Namiki uses integrated manufacturing, handling its products from the raw material, to processing, through to polishing. Industrial jewels, such as diamond, sapphire, and ruby, are used for jewel bearings, sapphire substrates,[4][5] exterior watch parts, semiconductor wire bonding capillaries, nozzles, LTCC[6](Co-fired ceramic) and so on. For substrate growth, Adamant Namiki employs the highly productive EFG method. In 2014, the company reached the milestone of successful heteroepitaxial growth of large caliber diamond. Adamant Namiki also supplies ceramic parts, combining precision processing and various molding technologies, such as injection, powder press, and CIP molding, to provide a diverse range of products.

Optical components

Adamant Namiki offers optical components with a focus on ferrules, sleeves, and connectors.
A ferrule is a component to link optical fibers together and high-precision (less than 1 micrometer) processing technology is required to ensure the secure connection of several micrometer optical fiber cores.
Adamant Namiki also combines its high-precision processing and assembly technologies to provide optical device components such as receptacles and pigtails, optical switches using MEMS[7](Microelectromechanical systems) technology, and optical devices such as variable attenuators.

DC coreless motors

Since developing the smallest coreless motor of the time in 1973, Adamant Namiki has been consistently producing miniature DC coreless motors. The core components have evolved with high-precision processing technology and a more optimal magnetic circuit has produced a high-efficiency motor. In 2009, Adamant Namiki successfully developed the world’s smallest DC brushless motor at 0.6mm in diameter. The company also produces motor units such as its de-energized locking system, micro robot servo,[8] multi-finger robotic hand, and micro mechanisms.

Medical devices

Since the start of OEM manufacturing of its computer-controlled infusion pump in 1987, Adamant Namiki has established a line of business that offers medical device development, manufacturing, and service.

Global operations

Japan
  • Akita Yuzawa Factory
  • Aomori Kuroishi Factory
  • Akita Adamant Company Limited

Overseas
  • Adamant America Inc.
  • Namiki Precision of California, Inc.
  • Namiki Precision of Europe SA
  • Namiki Precision Singapore Pte. Ltd.
  • Namiki Precision (Thailand) Co., Ltd.
  • Adamant Europe GmbH

References
  1. "Adamant Namiki - Key Facts". Adamant Namiki Precision Jewel Co., Ltd.
  2. "Adamant Namiki win backs Switzerland". agefi.
  3. "Company Overview of Adamant Namiki Precision Jewel Co., Ltd". Bloomberg.
  4. Aida, Hideo; Kim, Seong-Woo; Sunakawa, Kazuhiko; Aota, Natsuko; Koyama, Koji; Takeuchi, Misaichi; Suzuki, Toshimasa (2012). "III-Nitride Epitaxy on Atomically Controlled Surface of Sapphire Substrate with Slight Misorientation=". Japanese Journal of Applied Physics. IOP Publishing. 51: 025502. doi:10.1143/JJAP.51.025502.
  5. "Control of Nano-Step Structures on Sapphire Wafer Surface by Focused Ion Beam Processing". The Ceramic Society of Japan.
  6. "Transfer of LTCC Business to Adamant". PR Newswire.
  7. "Micralyne and Adamant Forge Alliance to Develop MEMS-based Fiber-Optic Subsystems". Micralyne.
  8. "Adamant-NAMIKI motorization for RoBoHoN robot from SHARP". Innorobo Community. Archived from the original on 2019-07-01. Retrieved 2018-06-06.
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