8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

____________________________________________________________________________

FORM 8-K

____________________________________________________________________________

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 27, 2012

MATTSON TECHNOLOGY, INC.

(Exact name of Registrant as Specified in its Charter)

Delaware	000-24838	77-0208119
(State or Other Jurisdiction of Incorporation or Organization)	(Commission File Number)	(I.R.S. Employer Identification Number)

47131 Bayside Parkway

Fremont, California    94538

(Address of Principal Executive Offices including Zip Code)

(510) 657-5900

(Registrant's Telephone Number, Including Area Code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On July 27, 2012, Mattson Technology, Inc. (the "Company") announced that Hans Betz has retired as chairman of the board and a director of the Company. Ken Kannappan, chief executive officer of Plantronics, Inc. and former chairman of the board of Mattson, will replace Mr. Betz as chairman. Ken Smith, a long-term director of Mattson and former President of WaferTech and Vice President of Operations of Micron Technology, will become vice-chairman of Mattson's board. The full text of the Company's press release is attached hereto as Exhibit 99.1.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits.

Exhibit	Description
99.1	July 27 2012 Press Release by Mattson Technology, Inc.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: July 27, 2012
	By: /s/ J. MICHAEL DODSON
	J. Michael Dodson Chief Financial Officer, Executive Vice President and Secretary

EX-99.1

EXHIBIT 99.1

News Release

Mattson Technology Contact

J. Michael Dodson

Mattson Technology, Inc.

tel 1-510-657-5900

fax 1-510-492-5963

mike.dodson@mattson.com

MATTSON TECHNOLOGY, INC. ANNOUNCES

CHANGES TO BOARD OF DIRECTORS

FREMONT, Calif. - July 27, 2012 - Mattson Technology, Inc. (Nasdaq: MTSN), a leading supplier of advanced process equipment used to manufacture semiconductors, today announced that Hans Betz has retired as chairman of the board and a director of the Company. Ken Kannappan, chief executive officer of Plantronics, Inc. and former chairman of the board of Mattson, will replace Mr. Betz as chairman. Ken Smith, a long-term director of Mattson and former President of WaferTech and Vice President of Operations of Micron Technology, will become vice-chairman of Mattson's board.

David Dutton, president and chief executive officer of Mattson, said: “We thank Hans for all his contributions and industry expertise during his eleven years of service to the Company as a director.”

Mr. Betz stated, “I have found that, with my retirement to my home in Italy, I cannot put in the time that I want for Mattson Technology. I wish the Company all the best in the future.”

About Mattson Technology, Inc.

Mattson Technology, Inc. designs, manufactures and markets semiconductor wafer processing equipment used in the fabrication of integrated circuits. We are a leading supplier of plasma and rapid thermal processing equipment to the global semiconductor industry, and operate in three primary product sectors: dry strip, rapid thermal processing and etch. Through manufacturing and design innovation, we have produced technologically advanced systems that provide productive and cost-effective solutions for customers fabricating current and next-generation semiconductor devices. For more information, please contact Mattson Technology, Inc., 47131 Bayside Parkway, Fremont, CA, 94538. Telephone: (800) MATTSON/(510) 657-5900. Internet:www.mattson.com.