Segment Reporting and Geographic Information

3 Months Ended

Apr. 01, 2023

Segment Reporting [Abstract]

Segment Reporting and Geographic Information

NOTE 14. 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 1,				April 2,
	2023				2022
Systems and software	$	166,824	84	%	$	209,383	87	%
Parts		20,423	10	%		19,857	8	%
Services		11,918	6	%		12,110	5	%
Total revenue	$	199,165	100	%	$	241,350	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 1,		April 2,
	2023		2022
Revenue from third parties:
South Korea	$	45,473	$	61,135
United States		40,713		26,801
China		36,551		63,394
Taiwan		26,705		53,392
Europe		17,918		18,428
Southeast Asia		17,301		9,225
Japan		14,504		8,975
Total revenue	$	199,165	$	241,350

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

	Three Months Ended
	April 1,			April 2,
	2023			2022
Samsung Semiconductor		20	%		10	%
Taiwan Semiconductor Manufacturing Co. Ltd.		14	%		16	%
SK Hynix Inc.		2	%		19	%