Segment Reporting and Geographic Information

3 Months Ended

Apr. 02, 2022

Segment Reporting [Abstract]

Segment Reporting and Geographic Information

NOTE 15. Segment Reporting and Geographic Information

The Company is engaged in the design, development, manufacture and support of high-performance control metrology, defect inspection, lithography and data analysis systems used by microelectronics device manufacturers. The Company and its subsidiaries currently operate in a single operating segment: the design, development, manufacture and support of high-performance process control defect inspection and metrology, lithography and process control software systems used by microelectronics device manufacturers. Therefore, the Company has one reportable segment. The Company’s chief operating decision maker is the Chief Executive Officer (the “CEO”). The CEO allocates resources and assesses performance of the business and other activities at the reportable segment level.

The following table lists the different sources of revenue:

	Three Months Ended
	April 2,				March 27,
	2022				2021
Systems and software	$	209,383	87	%	$	141,509	84	%
Parts		19,857	8	%		17,418	10	%
Services		12,110	5	%		10,352	6	%
Total revenue	$	241,350	100	%	$	169,279	100	%

The Company’s significant operations outside the United States include sales, service and application offices in Asia and Europe.  For geographical revenue reporting, revenue is attributed to the geographic location to which the product is shipped.  Revenue by geographic region is as follows:

	Three Months Ended
	April 2,		March 27,
	2022		2021
Revenue from third parties:
China	$	63,394	$	25,779
South Korea		61,135		50,530
Taiwan		53,392		36,293
United States		26,801		25,480
Europe		18,428		17,385
Southeast Asia		9,225		5,947
Japan		8,975		7,865
Total revenue	$	241,350	$	169,279

The following customers accounted for 10% or more of total revenue for the indicated periods:

	Three Months Ended
	April 2,			March 27,
	2022			2021
SK Hynix Inc.		19	%		12	%
Taiwan Semiconductor Manufacturing Co. Ltd.		16	%		13	%
Samsung Semiconductor		10	%		25	%