Product category:
Electronics Manufacturing Materials and Consumables
News Release from: Tecan | Subject: Tecfin Connect
Edited by the Electronicstalk Editorial
Team on 23 January 2007
Finishes adapt components' surface
properties
Gold-based finishes are designed to provide optimum durability, reliability and/or solderabiilty dependent on the application.
Tecfin Connect is a new range of gold-based finishes designed to provide optimum durability, reliability and/or solderabiilty dependent on the application The finishes have been exclusively developed by Tecan to change surface properties for specific electronics applications from consumer electronics products to aerospace, medical and military needs
This article was originally published on Electronicstalk on 24 Oct 2007 at 8.00am (UK)
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Tecan Components has solved a range of problems associated with automated soldering of RFI screening cans/fences onto PCBs with the introduction of the 'Plimsoll line and lattice bridging stencils'.
Four corrosion resistant finish options are offered allowing the most appropriate to be selected to ensure the best possible performance characteristics for application-specific needs.
These include properties such as conductivity, connection, solderability and contact resistance.
For applications such as high-use electronic switch parts and connectors the company offers its Tecfin Connect HUC option - a highly-durable finish.
Further reading
Labyrinth RFI screening can brings RFI benefits
A labyrinth RFI screening can is an effective one-part board-level alternative for PCB designs which would otherwise require solid metal enclosures or multiple screening cans.
Mini rework stencils save time and money
Mini stencils from Tecan Stencils ensure accurate repeatable paste deposits are produced when replacing components such as QFPs, PLCCs and BGAs during PCB rework operations.
A low contact resistance option (Tecfin Connect LCR) targets parts such as relays, switches and critical area failsafe devices.
For solderable electronic components Tecfin S ensures a highly conductive finish with excellent solderability, and finally, Tecfin Connect S+ has been developed for the most complex electronic components requirements.
Tecan has developed a dedicated high-quality metal finishing facility at its 6000m2 Weymouth base.
This Nadcap-approved, purpose-built facility is staffed by some of the industry's leading specialists and offers a wide range of standard and bespoke finishes to meet the most demanding requirements.
In-house laboratory facilities are used extensively for process analysis, quality assurance and control.
Qualified chemists and technicians use advanced systems and equipment to assure finishes are technically correct and meet the requirements of individual specifications.
Prior to processing, atomic absorption spectrometry is used to analyse all metal solution samples.
Post-processing, nondestructive X-ray fluorescence testing is used to ensure surface finish thickness meets with specifications.
Salt-spray testing can be used to perform accelerated corrosion tests to ensure long-term performance requirements are met.
Micro-hardness testing is a further tool in the QA portfolio.
Statistical process control (SPC) is used throughout the life-cycle of all jobs.
All work in progress is regularly subjected to atomic absorption wet analysis testing with all results being recorded on an individual job-specific database.
Atomic solutions are tested to within 0.5ppm.
The company has also developed Tecfin Anti Friction - a range of PTFE-impregnated finishes for dry or wet environments that alleviate the abrasion and galling caused by day-to-day metal-to-metal contact.
These finishes have also been adapted for increased durability and anticorrosion properties where required.
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