February, 2018
www.us-tech.com
Chandler, AZ — The test adapter for the SMARC computer-on-module standard, developed by Yamaichi, is now suitable for SMARC 2.0. The test adapter enables correct align- ment of the contacts for 100 percent contacting reliability. Its spring probe pins allow very high contact cycles to be reached. SMARC stands for Smart Mo-
bility ARChitecture, which is a spec- ification published by the Standardi- zation Group for Embedded Tech- nologies e.V. (SGET) for computers- on-modules (CoMs). It enables low power consumption of the modules, due to the implementation of ARM or other low-power processors. Yamaichi’s YED900 series
SMARC test adapter is an imped- ance-controlled test system, which meets the SGET SMARC specifica- tion. It is designed to be durable and highly reliable. It is also volume test ready, which can increase test output considerably. The socket is designed with
compression mount technology, so no soldering is necessary. Selected ma- terials, such as aircraft aluminum, PEEK and ceramic PEEK make the adapter robust. SMARC modules have gold
pads for the contacting surface. The best contact technology for such sur- face areas are fine pitch probe pins.
Super Thin Dry Film Negative Photoresist from EMS
Delaware, OH — Engineered Materi- al Systems (EMS) is now offering a 0.2 mil (5 µm) thick dry film negative photoresist for use in microelectro- mechanical systems (MEMS), wafer- level packaging and CMOS applica- tions (metallization). This material formulation has been optimized for hot roll or vacuum lamination and processing on MEMS and IC wafers. According to the company, these
are the thinnest dry film negative photoresists available on the market. The dry films are capable of extreme- ly fine line and space definition in complex patterns with resolutions down to 0.1 mil (3 µm). The cured chemistry can withstand harsh envi- ronments, including resistance to ex- treme moisture conditions and corro- sive chemicals. EMS dry film photoresists have
glass transition temperatures rang- ing from 248 to 392°F (120 to 200°C). They are hydrophobic in nature, pro- viding chemical and moisture resist- ance. EMS dry films are compatible with and can be used in contact with the company’s line of spin-coatable negative tone photoresists. This 0.2 mil (5 µm) dry film neg-
ative photoresist is the latest addi- tion to the company’s full line of film and liquid negative photoresists for making microfluidic channels on
MEMS devices and ICs. Contact: Engineered Materials Systems, Inc., 100 Innovation Court,
Delaware, OH 43015 % 740-362-4444 fax: 740-362-4433 Web:
www.emsadhesives.com
Page 47 Yamaichi: Computer-on-Module Standard Test Adapter
The lifetime for the company’s SMARC test adapter is specified up to 50,000 mechanical cycles. For contacting the module pads,
a conical plunger tip is used. Using these tips, only small witness marks are formed on the module contact pad. Yamaichi also offers test contac- tors and burn-in sockets. The spring probe pins used in these adapters and sockets are manufactured by the
company as well. Contact: Yamaichi Electronics
Co., Ltd., 7240 W Erie Street, Suite YED900 series SMARC test adapter.
4, Chandler, AZ 85226 % 480-940-9000 fax: 480-940-9082 E-mail:
info@yeu.com Web:
www.yeu.com
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