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Segment Reporting and Geographic Information (Tables)
12 Months Ended
Dec. 31, 2022
Segment Reporting and Geographic Information  
Schedule of sales by end-market

For the year ended December 31,

    

2022

    

2021

    

2020

(in thousands)

Sales by end-market

Semiconductor

$

369,369

$

247,051

$

165,909

Compound Semiconductor

121,194

106,972

107,922

Data Storage

 

87,544

 

168,760

 

123,288

Scientific & Other

 

68,030

 

60,494

 

57,044

Total

$

646,137

$

583,277

$

454,163

Schedule of sales by geographic region

Net Sales to Unaffiliated Customers

Long-lived Tangible Assets

    

2022

    

2021

    

2020

    

2022

    

2021

    

2020

(in thousands)

United States

$

197,433

$

217,209

$

145,353

$

106,550

$

99,220

$

64,967

EMEA(1)

 

87,837

 

55,129

 

73,124

 

60

 

94

 

120

China

123,703

105,998

57,589

70

67

84

Rest of APAC

235,735

204,633

177,569

601

362

100

Rest of World

 

1,429

 

308

 

528

 

 

 

Total

$

646,137

$

583,277

$

454,163

$

107,281

$

99,743

$

65,271

(1)EMEA consists of Europe, the Middle East, and Africa