Exhibit 21.1

Subsidiaries of Registrant

Entity Name	Jurisdiction of Organization	% Ownership
LTX-Credence (Deutschland) GmBH	Germany		100
LTX-Credence France S.A.S.	France		100
LTX-Credence Italia S.r.l	Italy		100
LTX Asia International, Inc.	Delaware		100
Wholly owned subsidiary:
LTX (Shanghai) Co., Ltd.	China		100
LTX-Credence Sdn BhD.	Malaysia		100
LTX LLC	Delaware		100
Credence Capital Corporation	California		100
Credence International Limited, Inc.	Delaware		100
Wholly owned subsidiary:
Credence Systems Korea Ltd.	South Korea		100
Credence International Ltd.	British Virgin Islands		100
Wholly owned subsidiaries:
Credence Malta Limited	Malta		100
LTX-Credence Singapore Pte Ltd.	Singapore		100
NPTest de Costa Rica SA.	Costa Rica		100
NPTest (Philippines) Inc.	Philippines		100
LTX-Credence Systems KK	Japan		100
Credence Semiconductor Test System (Shanghai) Co., Ltd	China		100
Credence Systems (M) Sdn BhD	Malaysia		100
Credence Systems (P), Inc.	Philippines		100
Credence Systems (UK) Limited	United Kingdom		100
LTX-Credence Armenia L.L.C.	Republic of Armenia		100