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Segment Reporting and Geographic Information (Tables)
3 Months Ended
Mar. 31, 2020
Segment Reporting and Geographic Information  
Schedule of sales by end-market

Three months ended March 31,

    

2020

2019

(in thousands)

Sales by end-market

Front-End Semiconductor

$

31,366

$

22,617

Advanced Packaging, MEMS & RF Filters

 

8,588

 

23,127

LED Lighting, Display & Compound Semiconductor

15,402

13,550

Scientific & Industrial

 

49,146

 

40,077

Total

$

104,502

$

99,371

Sales by geographic region

United States

$

39,635

$

32,315

China

10,472

10,159

EMEA(1)

16,150

17,827

Rest of World

 

38,245

 

39,070

Total

$

104,502

$

99,371

(1)EMEA consists of Europe, the Middle East, and Africa
Schedule of sales by geographic region

Three months ended March 31,

    

2020

2019

(in thousands)

Sales by end-market

Front-End Semiconductor

$

31,366

$

22,617

Advanced Packaging, MEMS & RF Filters

 

8,588

 

23,127

LED Lighting, Display & Compound Semiconductor

15,402

13,550

Scientific & Industrial

 

49,146

 

40,077

Total

$

104,502

$

99,371

Sales by geographic region

United States

$

39,635

$

32,315

China

10,472

10,159

EMEA(1)

16,150

17,827

Rest of World

 

38,245

 

39,070

Total

$

104,502

$

99,371

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