6-K

FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

REPORT OF FOREIGN PRIVATE ISSUER

Pursuant to Rule 13a-16 or 15d-16

of the Securities Exchange Act of 1934

For the month of April, 2010

Commission File Number 000-13355

ASM INTERNATIONAL N.V.

(Translation of registrant’s name into English)

VERSTERKERSTRAAT 8

1322 AP ALMERE

THE NETHERLANDS

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  x    Form 40-F  ¨

Indicate by check mark if the registrant is submitting the form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ¨

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ¨

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and had not been distributed to the registrant’s security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.    Yes  ¨    No  x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-                     .

Exhibits
Exhibit 99.1	ASM International N.V. Announces Availability and Timing of the 2010 First Quarter Results Conference Call and Web Cast

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.

Dated: April 16, 2010	ASM INTERNATIONAL N.V.
		/s/    HANS VAN SELM
		Hans van Selm
		Finance Director Front - end

ASM INTERNATIONAL N.V.

(THE “REGISTRANT”)

(COMMISSION FILE NO. 0-13355)

EXHIBIT INDEX

TO

FORM 6-K

DATED April 16, 2010

Exhibit No.	Exhibit Description	Filed Herewith
99.1	ASM International N.V. Announces Availability and Timing of the 2010 First Quarter Results Conference Call and Web Cast	X

EX-99.1

EXHIBIT 99.1

ASM International N.V. Announces Availability and Timing of the 2010

First Quarter Results Conference Call and Web Cast

ALMERE, The Netherlands — April 14, 2010 — ASM International N.V. (NASDAQ: ASMI and Euronext Exchange in Amsterdam: ASM) and its 53%-owned subsidiary, ASM Pacific Technology, Ltd (Hong Kong Exchanges: 522) will simultaneously report operating results for the 2010 first quarter at approximately:

• 00:00 (midnight) Continental European Time, Wednesday, April 28, 2010

• 6:00 a.m. Hong Kong time, Thursday, April 29, 2010, and

• 6:00 p.m. US Eastern Time, Wednesday, April 28, 2010.

ASM International will host an investor conference call and web cast on Thursday, April 29, 2010 at 15:00 Continental European Time (9:00 a.m. - US Eastern Time).

The teleconference dial-in numbers are as follows:

United States - +1 718 247 0886

International - + 44 (0)20 7806 1966

A simultaneous audio web cast will be accessible at www.asm.com.

The teleconference will be available for replay, beginning one hour after completion of the live broadcast, through May 12, 2010.

The replay dial-in numbers are:

United States - +1 347 366 9565

International - + 44 (0)20 7111 1244

Access Code: 3741163#

About ASM International

ASM International N.V., headquartered in Almere, the Netherlands, and its subsidiaries design and manufacture equipment and materials used to produce semiconductor devices. ASM International and its subsidiaries provide production solutions for wafer processing (Front-end segment) as well as assembly and packaging (Back-end segment) through facilities in the United States, Europe, Japan and Asia. ASM International’s common stock trades on NASDAQ (symbol ASMI) and the Euronext Amsterdam Stock Exchange (symbol ASM). For more information, visit ASMI’s website at www.asm.com.

Contacts:

Erik Kamerbeek

+31 88100 8500

Mary Jo Dieckhaus

+1 212 986 2900