Click here to view the SlimKIC 2000 datasheet Profiling So Easy, Anyone Can Do It By automating the complex task of process set up the SlimKIC® 2000™ makes profiling so easy that any operator can quickly achieve the optimal process. Simply select fro
Click here to view the SlimKIC 2000 datasheet Profiling So Easy, Anyone Can Do It By automating the complex task of process set up the SlimKIC® 2000™ makes profiling so easy that any operator can quickly achieve the optimal process. Simply select fro
Electronics Forum | Thu May 05 12:31:27 EDT 2005 | russ
Not in this case, these BGAs were lead free and the profile used was for a lead part. I guess I will give you the whole story. These boards were sent to us from a customer to have the BGAs replaced for an unknown to us reason. We removed the parts
Electronics Forum | Fri Sep 17 09:54:40 EDT 1999 | Brian
| | | We have some SMT components with gold plated leads. They're actually LCC led packages. A good solder alloy to use would be Indium / Lead to reduce tin dissolution into the gold and avoid the resultant brittle intermetallic compound. However, a
Industry News | 2021-10-11 16:13:11.0
MIRTEC will showcase its cutting-edge INTELLI-PRO AI Based Smart Factory Automation Solution and GENSYS-PIN Automotive Pin Inspection System in booth #461, Hall A2 at the 2021 Productronica exhibition. The world's largest exhibition for the electronic manufacturing industry will take place on Nov. 16-19, 2021, at Messe Munich exhibition hall in Germany.
Industry News | 2013-01-14 08:41:05.0
OK International will debut the new Metcal MX-5200 Soldering, Desoldering and Rework Series in Booth #735 at the upcoming IPC APEX EXPO
Technical Library | 2013-07-25 14:02:15.0
Bottom-termination components (BTC), such as QFNs, are becoming more common in PCB assemblies. These components are characterized by hidden solder joints. How are defects on hidden DFN joints detected? Certainly, insufficient solder joints on BTCs cannot be detected by manual visual inspection. Nor can this type of defect be detected by automated optical inspection; the joint is hidden by the component body. Defects such as insufficients are often referred to as "marginal" defects because there is likely enough solder present to make contact between the termination on the bottom-side of the component and the board pad for the component to pass in-circuit and functional test. Should the board be subjected to shock or vibration, however, there is a good chance this solder connection will fracture, leading to an open connection.
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. Generally, this phenomenon occurs at melting point or a temperature a little lower than the melting point. Rapid cooling leads to too high a temperature gradient between components and base-panels, causing mismatched thermal expansions and leading to solder joints’ and soldering pads
| https://www.eptac.com/faqs/ask-helena-leo/ask/smt-components-during-reflow-float-off-pads
mass of solder and pulls the leads off the pads, resulting in no heel fillets. The component lead land areas need to be longer to accept this movement of the component on the large thermal pad
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