SUMCO
Japanese Company
From Wikipedia, the free encyclopedia
SUMCO Corporation (株式会社SUMCO, Kabushiki-gaisha Samuko; formerly Silicon United Manufacturing Corporation and Sumitomo Mitsubishi Silicon Corporation) is a Japanese semiconductor company, manufacturing silicon wafers for semiconductor manufacturers worldwide.
- Silicon United Manufacturing
- Sumitomo Mitsubishi Silicon
| |
 Company headquarters in the Seavans North tower (right-hand side building) | |
| Company type | Public KK |
|---|---|
| TYO: 3436 | |
| Industry | Semiconductor |
| Predecessors |
|
| Founded | July 30, 1999 |
| Headquarters | 1-2-1 Shibaura, Minato, Tokyo 105-8634, Japan |
Area served | Worldwide |
Key people | Mayuki Hashimoto (President and CEO) |
| Services | |
| Revenue |  $ 1.83 billion USD (FY 2013)
(¥ 200.58 billion JPY) (FY 2013) |
| $ 16.5 million USD (FY 2013)
(¥ 1.8 billion JPY) (FY 2013) | |
Number of employees | 7,277 (consolidated as of December 31, 2013) |
| Website | www |
| Footnotes / references [1][2][3] | |
History
The company was established in 1999 as a joint venture between Mitsubishi Materials Corporation and Sumitomo Metal Industries[4] and as of 2013 is the second largest silicon wafer producer in the world, after Shin-Etsu Handotai, with a market share of 30%.[5][6] In 2001, SUMCO employed about 1,300 people in Oregon, which in 2003 was reduced to 680 after the U.S. manufacturing operations were consolidated.[7]
In June 2006, SUMCO acquired a 51% controlling stake in Komatsu Electronic Metals Co., making them a member of the SUMCO group.[8][9] Komatsu Electronic Metals Co. has a venture partnership with Formosa Plastics Group and has wafer plants in Miyazaki and Nagasaki.[10][11]
SUMCO acquired Mitsubishi Polycrystalline Silicon America Corp and Semiconductor Polysilicon Business Of Mitsubishi from Mitsubishi Materials Corporation in May 2023.[12][13]
SUMCO is listed on the first section of the Tokyo Stock Exchange and is a constituent of the Nikkei 225 stock index.[14]
Products
The company manufactures the following products:[15]
- Single crystal silicon ingots
- Polished wafers
- Annealed wafers
- Epitaxial wafers
- Junction isolated wafers
- Silicon-on-Insulator (SOI) wafers
- Reclaimed polished wafers
