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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001104659-05-060024.txt : 20051209
<SEC-HEADER>0001104659-05-060024.hdr.sgml : 20051209
<ACCEPTANCE-DATETIME>20051209161218
ACCESSION NUMBER:		0001104659-05-060024
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20051209
DATE AS OF CHANGE:		20051209
EFFECTIVENESS DATE:		20051209

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AUGUST TECHNOLOGY CORP
		CENTRAL INDEX KEY:			0001063527
		STANDARD INDUSTRIAL CLASSIFICATION:	OPTICAL INSTRUMENTS & LENSES [3827]
		IRS NUMBER:				411729485
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30637
		FILM NUMBER:		051255728

	BUSINESS ADDRESS:	
		STREET 1:		4900 W 78TH ST
		CITY:			BLOOMINGTON
		STATE:			MN
		ZIP:			55435
		BUSINESS PHONE:		9528200080

	MAIL ADDRESS:	
		STREET 1:		4900 WEST 78TH STREET
		CITY:			BLOOMINGTON
		STATE:			MN
		ZIP:			55435
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>a05-21595_18k.htm
<DESCRIPTION>CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-2.1
<SEQUENCE>2
<FILENAME>a05-21595_1ex2d1.htm
<DESCRIPTION>PLAN OF ACQUISITION, REORGANIZATION, ARRANGEMENT, LIQUIDATION OR SUCCESSION
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>a05-21595_1ex99d1.htm
<DESCRIPTION>EXHIBIT 99
</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g215951mmi001.jpg
<DESCRIPTION>GRAPHIC
</DOCUMENT>
</SUBMISSION>