Amtech Systems, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Major Customers and Foreign Sales

Major Customers and Foreign Sales

3 Months Ended

Dec. 31, 2021

Geographic Areas, Revenues from External Customers [Abstract]

11. Major Customers and Foreign Sales

During the three months ended December 31, 2021, one Semiconductor customer individually represented 20% of our net revenues. During the three months ended December 31, 2020, three Semiconductor customers individually represented 16%, 15% and 13% of our net revenues.

Our net revenues were from customers in the following geographic regions:


	Three Months Ended December 31,
	2021			2020
United States		18	%		19	%
Other		9	%		1	%
Total North America		27	%		20	%
China		20	%		24	%
Malaysia		9	%		3	%
Taiwan		9	%		32	%
Other		9	%		9	%
Total Asia		47	%		68	%
Germany		10	%		2	%
Austria		8	%		1	%
Other		8	%		9	%
Total Europe		26	%		12	%
		100	%		100	%