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v3.19.2

Segment Reporting and Geographic Information (Tables) | 6 Months Ended
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Jun. 30, 2019
Segment Reporting and Geographic Information |
Schedule of sales by end-market | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended June 30, | ​ | Six months ended June 30, | ​
​ |  | 2019 | ​ | 2018 |  | 2019 | ​ | 2018 |
​ | ​ | (in thousands) | ​
Sales by end-market | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Advanced Packaging, MEMS & RF Filters | ​ | $ | 16,443 | ​ | $ | 24,758 | ​ | $ | 39,570 | ​ | $ | 51,911 | ​
LED Lighting, Display & Compound Semiconductor | ​ |  | 9,692 | ​ |  | 87,817 | ​ |  | 23,242 | ​ |  | 177,733 | ​
Front-End Semiconductor | ​ | ​ | 24,509 | ​ | ​ | 18,152 | ​ | ​ | 47,126 | ​ | ​ | 27,609 | ​
Scientific & Industrial | ​ |  | 47,178 | ​ |  | 27,052 | ​ |  | 87,255 | ​ |  | 59,100 | ​
Total | ​ | $ | 97,822 | ​ | $ | 157,779 | ​ | $ | 197,193 | ​ | $ | 316,353 | ​
Sales by geographic region | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
United States | ​ | $ | 39,784 | ​ | $ | 32,939 | ​ | $ | 72,099 | ​ | $ | 56,694 | ​
China | ​ | ​ | 19,654 | ​ | ​ | 70,457 | ​ | ​ | 29,813 | ​ | ​ | 145,850 | ​
EMEA(1) | ​ | ​ | 12,324 | ​ | ​ | 25,405 | ​ | ​ | 30,151 | ​ | ​ | 41,151 | ​
Rest of World | ​ |  | 26,060 | ​ |  | 28,978 | ​ |  | 65,130 | ​ |  | 72,658 | ​
Total | ​ | $ | 97,822 | ​ | $ | 157,779 | ​ | $ | 197,193 | ​ | $ | 316,353 | ​
(1) | EMEA consists of Europe, the Middle East, and Africa

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