<SEC-DOCUMENT>0000720500-19-000021-index.html : 20190531
<SEC-HEADER>0000720500-19-000021.hdr.sgml : 20190531
<ACCEPTANCE-DATETIME>20190531160421
ACCESSION NUMBER:		0000720500-19-000021
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20181231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20181231
</ITEM>
</RULE>
FILED AS OF DATE:		20190531
DATE AS OF CHANGE:		20190531

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMTECH SYSTEMS INC
		CENTRAL INDEX KEY:			0000720500
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				860411215
		STATE OF INCORPORATION:			AZ
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11412
		FILM NUMBER:		19870428

	BUSINESS ADDRESS:	
		STREET 1:		131 SOUTH CLARK DRIVE
		CITY:			TEMPE
		STATE:			AZ
		ZIP:			85281
		BUSINESS PHONE:		4809675146

	MAIL ADDRESS:	
		STREET 1:		131 SOUTH CLARK DRIVE
		CITY:			TEMPE
		STATE:			AZ
		ZIP:			85281

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	QUARTZ ENGINEERING & MATERIALS INC
		DATE OF NAME CHANGE:	19870715
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>asys_2018xformsd.htm
<DESCRIPTION>ASYS 2018 FORM SD
<TEXT>
Document 1 - file: asys_2018xformsd.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-1.01 <SEQUENCE>2 <FILENAME>asys_2018xcmreport.htm <DESCRIPTION>EXHIBIT 1.01 <TEXT> Document 2 - file: asys_2018xcmreport.htm
</DOCUMENT> </SEC-DOCUMENT>