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Filing Detail
Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000354204-11-000844
Filing Date
2011-02-11
Accepted
2011-02-11 13:45:12
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G rrd167.htm SC 13G 50146
  Complete submission text file 0000354204-11-000844.txt   52271
Mailing Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746
Business Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746 (512) 306-7400
DIMENSIONAL FUND ADVISORS LP (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 222370029 | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000

Mailing Address 131 SOUTH CLARK DRIVE TEMPE AZ 85281
Business Address 131 S CLARK DR TEMPE AZ 85281 6029675146
AMTECH SYSTEMS INC (Subject) CIK: 0000720500 (see all company filings)

IRS No.: 860411215 | State of Incorp.: AZ | Fiscal Year End: 0930
Type: SC 13G | Act: 34 | File No.: 005-39482 | Film No.: 11597160
SIC: 3559 Special Industry Machinery, NEC