Product category:
Test Accessories
News Release from: Aries Electronics | Subject: Centre probe RF test sockets
Edited by the Electronicstalk Editorial
Team on 05 September 2003
Centre probe RF test sockets run to
10GHz
A new RF test socket handles devices up to 13mm wide, with pitches of 0.50mm and higher, in applications with speeds from 1 to over 10GHz.
A new RF test socket handles devices up to 13mm wide, with pitches of 0.50mm and higher, in applications with speeds from 1 to over 10GHz Specific applications for the new Aries test socket include CSP, MicroBGA, MLF, QFN, DSP, LGA, SRAM, DRAM and Flash devices
This article was originally published on Electronicstalk on 8 Apr 2002 at 8.00am (UK)
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HF test socket takes two separate packages
Aries Electronics has developed a high-frequency test socket with a replaceable spring probe interposer.
The socket's signal path during test is only 1.95mm, providing minimal signal loss for higher bandwidth capability and a longer cycle life in automated handler testing.
For example, at 11GHz and a 0.50mm pitch, the socket can achieve -1dB of bandwidth.
A four-point spring probe crown ensures scrub on solder ball oxides for reliable contact mating.
Additionally, the raised point probe ensures accurate placement and scrub on small pads used on MLF and QFN packages.
The socket incorporates solderless, pressure-mount compression spring probes, accurately located by two moulded plastic alignment pins and secured with four stainless-steel screws, ensuring fast, easy access for mounting and removal to/from the load board.
In addition, the socket's small overall size provides the maximum allowable space for load board components and connectors.
Centre probe contact forces are 9 to 12g per contact for 0.50 to 0.75mm pitches, and 17 to 20g per contact for 0.80mm pitches and larger.
Estimated contact life is over 500,000 cycles.
Operating temperature is -55 to +150C.
The spring probes of the new RF test socket are heat-treated beryllium copper alloy, plated with 0.75um gold per MIL-G-45204 over 0.75um nickel per QQ-N-290.
The socket's moulded components are UL94V0 Ultem and the machined components are UL94V0 Ultem or Torlon.
All hardware is stainless steel.
As with all Aries sockets, the new RF test socket is available in custom materials, platings, sizes and configurations to suit specific customer applications.
Pricing for a 100-lead moulded BGA socket (up to 3GHz) starts at $450 in quantities up to four pieces.
Delivery is 2 weeks ARO.
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