The Rosen Law Firm, P.A. announces that it is investigating the Board of Directors of BTU International Inc. (NASDAQ:BTUI) for possible breaches of fiduciary duty and other violations of law by failing to adequately shop BTU to maximize shareholder value before agreeing to be acquired by Amtech Systems, Inc. (NASDAQ: ASYS).

If you would like to join the action, go to http://rosenlegal.com/cases-407.html or contact Phillip Kim or Kevin Chan, toll-free at 866-767-3653, or via e-mail at pkim@rosenlegal.com or kchan@rosenlegal.com. There is no cost or obligation to you.

Under the terms of the proposed transaction, shareholders will receive 0.3291 shares of Amtech common stock for each share of BTU they own. Based on Amtech’s closing price on October 21, 2014, the proposed transaction values BTU at approximately $3.33 per common share. The investigation relates to whether the proposal for 0.3291 shares of Amtech common stock per share is fair to public shareholders and whether BTU’s Board breached its fiduciary duties in connection with the proposed sale.

If you currently own shares of BTU and wish to obtain additional information, please visit the website at http://rosenlegal.com/cases-407.html. You may also contact Phillip Kim or Kevin Chan of The Rosen Law Firm toll free at 866-767-3653 or via e-mail at pkim@rosenlegal.com or kchan@rosenlegal.com.

The Rosen Law Firm represents investors throughout the globe, concentrating its practice in securities class actions and shareholder derivative litigation.

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