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TopLine Offers Column Planarizing Tool for Trimming CCGA Solder Columns
May 31, 2017 | TopLineEstimated reading time: 1 minute
TopLine Corp. has launched a Column Planarizing Tool for precise trimming of CCGA solder columns to ensure planarity across the CCGA (ceramic column grid array). Planarity ensures robust, reliable and uniform connections when the component is mounted to its footprint on an electronic assembly.
TopLine’s CCGA Column Grid Array IC packages are made with non-collapsible solder columns for SMT soldering on printed circuit boards (PCBs), and provide more compliancy than solder balls (ball grid arrays or BGAs) to absorb stress and increase solder joint reliability under harsh operating conditions.
The TopLine Column Planarizing Tool securely locks the CCGA in place while columns are safely planarized. The procedure is simple: the operator places the CCGA inside of the fixture, and an internal shim allows columns to slightly protrude through a brass plate on the bottom. The operator holds the brass plate face-down on a specially-designed rotating abrasive lapping wheel. Within seconds, all columns are planarized; the final step employs a diamond polishing wheel to shine and polish the tips of the columns before the CCGA is gently removed using a simple extraction tool.
Trimming and/or lapping is required for CCGAs with Pb90/Sn10 and Pb80/Sn20 copper-wrapped solder columns. Trimming and lapping is not required for MCS Micro-coil Springs. Utilizing the TopLine Column Planarizing Tool is the best practice for planarizing solder columns to bring the CCGA into coplanarity.
About TopLine
TopLine Corporation is a leading provider of test vehicle components and packaging solutions for Circuit Assemblies. TopLine manufactures CCGA Column Grid Arrays, solder columns, and a wide range of daisy chain semiconductor packages, and offers a complete range of daisy chain test chips for process development, experimentation, machine evaluation, solder training, and SMT assembly practice. TopLine products provide hands-on learning for engineers. TopLine is a one-stop source for all dummy components. For more information, email sales@TopLine.tv.
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