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10-K - 10-K - AXCELIS TECHNOLOGIES INCa2197155z10-k.htm
EX-31.2 - EXHIBIT 31.2 - AXCELIS TECHNOLOGIES INCa2197155zex-31_2.htm
EX-10.9 - EXHIBIT 10.9 - AXCELIS TECHNOLOGIES INCa2197155zex-10_9.htm
EX-23.1 - EXHIBIT 23.1 - AXCELIS TECHNOLOGIES INCa2197155zex-23_1.htm
EX-32.2 - EXHIBIT 32.2 - AXCELIS TECHNOLOGIES INCa2197155zex-32_2.htm
EX-32.1 - EXHIBIT 32.1 - AXCELIS TECHNOLOGIES INCa2197155zex-32_1.htm
EX-31.1 - EXHIBIT 31.1 - AXCELIS TECHNOLOGIES INCa2197155zex-31_1.htm
EX-10.2 - EXHIBIT 10.2 - AXCELIS TECHNOLOGIES INCa2197155zex-10_2.htm
EX-10.10 - EXHIBIT 10.10 - AXCELIS TECHNOLOGIES INCa2197155zex-10_10.htm

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Exhibit 21.1

Axcelis Technologies, Inc.
Exhibit 21.1 to Form 10-K for the year ended December 31, 2009
Subsidiaries

        The following is a list of all direct and indirect wholly-owned subsidiaries of Axcelis Technologies, Inc. as of the date hereof:

Domestic Subsidiaries

1.
Axcelis Technologies CCS Corporation a Delaware corporation
2.
Fusion Technology International, Inc., a Delaware corporation
3.
Axcelis Technologies (Israel), Inc., a Delaware corporation
4.
Fusion Investments, Inc., a Maryland corporation
5.
High Temperature Engineering Corporation, a Delaware corporation

European Subsidiaries

6.
Axcelis Technologies, GmbH (Germany)
7.
Axcelis Technologies, S.r.l (Italy)
8.
Axcelis Technologies, Sarl (France)
9.
Axcelis Technologies, Ltd. (U.K.)
10.
Matrix Europe N.V. (Belgium)

Asian Subsidiaries

11.
Axcelis Technologies, KK (Japan)
12.
Axcelis Technologies Limited (Korea)
13.
Axcelis Technologies Ltd. (Taiwan)
14.
Axcelis Technologies Pte. Ltd. (Singapore)
15.
Axcelis Technologies Semiconductor Trading (Shanghai) Co., Ltd. (Peoples Republic of China)



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