EXHIBIT 99b
                                                                    
                                                                   PRESS RELEASE

    IMS SELECTS YA-MAN LTD. AS THE EXCLUSIVE DISTRIBUTOR OF IMS PRODUCTS IN 
    JAPAN

BEAVERTON, Ore.--(BUSINESS WIRE)--May 20, 1997

      - TOKYO-BASED YA-MAN WILL SUPPORT THE DIRECT SALES AND SERVICE OF THE IMS
ENGINEERING TEST STATION PRODUCT LINE -
                                           
Integrated Measurement Systems, Inc. (NASDAQ:IMSC) today announced the selection
of Ya-Man Ltd., a Tokyo, Japan distributor of IC production and test systems as
its sole distributor in Japan. Ya-Man will provide sales, marketing,
applications engineering and customer service support for IMS' product line of
engineering Test Stations, including the XL Family, the ATS and XTS Advanced
Digital Test Stations, and the MSTS Mixed-Signal Test Station. 

``Ya-Man will enhance our ability to successfully market IMS products in the
Japanese market and will provide us with a greatly expanded sales and service
support organization to assist our current and new customers with their test
solutions'', commented Kenneth R. Lindsay, IMS Vice-President of Asia
Operations. 

Ya-man Plans To Move Aggressively To Expand IMS Name and Sales. Ya-Man plans to
aggressively and sales staff and application engineers to focus exclusively on
IMS sales and to complement its current customer support organization. In
addition, Ya-Man will promote IMS products in Japan through test industry
advertisements, articles, trade show participation, seminar programs and on site
product demonstrations. Beginning this month, Ya-Man and IMS will demonstrate
IMS' Test Station products at the Semicon Kansai Show in Osaka, Japan. 

``We are making a strong commitment to Integrated Measurement Systems, both as a
sole distributor and a strategic partner, to help them to successfully market
their products in the Japanese market, '' stated Kimiyo Kamano, Manager of 
Ya-Man's Marketing and Sales Development Division. 

Ya-Man's Test Industry Experience and Customer Contacts Will Benefit IMS Sales.
Ya-man's strong and diverse customer base, combined with its reputation for
excellent customer support, should place IMS in a strong position for sales in
the Japanese semiconductor market. Ya-Man's customers include such well-known
and highly regarded high technology corporations as NEC, Fujitsu, Mitsubishi,
Panasonic, Hitachi, Sony, Sharp, IBM and Intel, to name a few. 

In addition to IMS, Ya-Man is the exclusive distributor of MOSAID products in
Japan. MOSAID is the leading supplier of memory IV verification systems, and is
an excellent complement to the IMS product line. Ya Man will now be able to
supply IC design engineers with test solutions to cover a broad spectrum of
technologies, including high-performance digital, mixed-signal, and memory
device test systems. 

About IMS 

Integrated Measurement Systems, Inc. (IMSC), is a recognized world leader in
engineering Test Stations and Virtual Test Software, providing cost-effective
solutions to reduce the time required to test and verify complex electronic
circuits. IMS markets and supports its products globally through U.S. sales
offices, independent international distributors and dedicated sales personnel
employed by affiliated companies. Technical and applications engineers are
strategically located in worldwide locations to respond quickly to regional,
national and international customer needs. IMS is an award winning company in
customer support. For the past three years, IMS has been rated No. 1 in pure
test in the VLSI Research Inc.'s Customer Satisfaction Survey List of 10 BEST
Suppliers of Test and Material Handling Equipment. IMS is listed on the NASDAQ 
National Market under the symbol IMSC. For more information, contact IMS at 
9525 SW Gemini Drive, Beaverton, Oregon 97008. Ph: 503/626-7117 or 800/879-7117,
Fax: 503/644-6969 or visit our Web site at www.ims.com .  XL, ATS, XTS, MSTS 
engineering Test Stations, Virtual Test Software, and the IMS logo and name are 
trademarks of Integrated Measurement Systems, Inc.