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Business Segment and Geographic Region Information | 12 Months Ended
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Dec. 31, 2018
Business Segment and Geographic Region Information |
Business Segment and Geographic Region Information | Note 17. Business Segment and Geographic Region Information We operate in one business segment, which is the manufacture of capital equipment for the semiconductor chip manufacturing industry. The principal market for semiconductor capital equipment is semiconductor chip manufacturers. Substantially all sales are made directly by us to our customers located in the United States, Europe and Asia Pacific. Our ion implantation systems product line includes high current, medium current and high energy implanters. Other products include curing systems, and thermal processing systems. In addition to new equipment, we provide post‑sales equipment service and support, including spare parts, equipment upgrades, used equipment, maintenance services and customer training. Revenue by product lines is as follows:
|  | Year ended December 31, |
|  | 2018 |  | 2017 |  | 2016 |
|  | (in thousands) |
Ion implantation systems and services |  | $ | 421,747 |  | $ | 391,051 |  | $ | 248,885 |
Other systems and services |  |  | 20,828 |  |  | 19,510 |  |  | 18,095 |
Total revenue |  | $ | 442,575 |  | $ | 410,561 |  | $ | 266,980 |
Revenue and long‑lived assets by geographic region, based on the physical location of the operation recording the sale or the asset, are as follows:
|  |  |  |  | Long-Lived |
|  | Revenue |  | Assets |
|  | (in thousands) |
2018 |  |  |  |  |  |  |
United States |  | $ | 342,802 |  | $ | 66,089 |
Europe |  |  | 29,417 |  |  | — |
Asia Pacific |  |  | 70,356 |  |  | 4,893 |
|  | $ | 442,575 |  | $ | 70,982 |
2017 |  |  |  |  |  |  |
United States |  | $ | 313,916 |  | $ | 56,089 |
Europe |  |  | 26,936 |  |  | — |
Asia Pacific |  |  | 69,709 |  |  | 707 |
|  | $ | 410,561 |  | $ | 56,796 |
2016 |  |  |  |  |  |  |
United States |  | $ | 191,261 |  | $ | 52,006 |
Europe |  |  | 25,436 |  |  | — |
Asia Pacific |  |  | 50,283 |  |  | 517 |
|  | $ | 266,980 |  | $ | 52,523 |
Long‑lived assets consist of property, plant and equipment, net, and assets manufactured for internal use. Operations in Europe and Asia Pacific consist of sales and service organizations. International revenue, which includes export sales from U.S. manufacturing facilities to foreign customers and sales by foreign subsidiaries and branches, was $388.3 million (87.7% of total revenue), $348.5 million (84.9% of total revenue) and $213.8 million (80.0% of total revenue) in 2018, 2017 and 2016, respectively.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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