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): March 28, 2005

TERADYNE, INC.

(Exact Name of Registrant as Specified in Charter)

Massachusetts	001-06462	04-2272148
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

321 Harrison Avenue, Boston, Massachusetts	02118
(Address of Principal Executive Offices)	(Zip Code)

Registrant’s telephone number, including area code (617) 482-2700

(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 (see General Instruction A.2. below):

¨ 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 Principal Officers; Election of Directors; Appointment of Principal Officers

(d) On March 28, 2005, the Board of Directors of Teradyne, Inc. elected Paul J. Tufano as a Director, as announced in the Company’s press release attached as Exhibit 99.1 to this Current Report.

Item 9.01 Financial Statements and Exhibits

The exhibit listed below and in the accompanying Exhibit Index is furnished as a part of this Current Report on Form 8-K.

(c) Exhibits

Exhibit No.	Description
99.1*	Press Release, dated March 29, 2005, of Teradyne Inc.

* Furnished not filed.

2

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 thereunto duly authorized.

	TERADYNE, INC.
Dated: March 30, 2005	By:	/s/ Gregory R. Beecher
	Name:	Gregory R. Beecher
	Title:	V.P. & Chief Financial Officer

3

Exhibit Index

Exhibit No.	Description
99.1	Press Release, dated March 29, 2005, of Teradyne Inc.

4

EX-99.1

Exhibit 99.1

Paul J. Tufano Elected to Teradyne Board

BOSTON – (BUSINESS WIRE) – March 29, 2005 – Teradyne (NYSE:TER) today announced the election of Paul J. Tufano to its Board of Directors, effective immediately. Mr. Tufano most recently served as the President, CEO and member of the Board of Directors for Maxtor Corporation. He left Maxtor in November 2004, after an eight year career with the company. Maxtor is an industry-leading provider of hard disk drives for a variety of applications, including desktop computers, servers, near-line storage systems and consumer electronics.

Prior to Maxtor, Mr. Tufano held a series of financial and general management positions at IBM. He holds a degree in Economics from St. John’s University and an MBA from Columbia University.

“I’m very pleased by the addition of Paul Tufano to our Board of Directors,” said George Chamillard, Teradyne’s Chairman of the Board. “His broad experience in global technology end markets will be very helpful as we address our future growth opportunities.”

About Teradyne

Teradyne (NYSE:TER) is a leading supplier of Automatic Test Equipment, and interconnection systems. The company’s products deliver competitive advantage to the world’s leading semiconductor, electronics, automotive and network systems companies. In 2004, Teradyne had sales of $1.8 billion, and currently employs about 5,900 people worldwide. For more information, visit www.teradyne.com. Teradyne(R) is a registered trademark of Teradyne, Inc. in the US and other countries.

Contact:

Teradyne, Inc.

Tom Newman, 617-422-2425

V.P., Corporate Relations