| June 19, 2024
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Have you heard this one before? A manager walks into a meeting and is told that one million dollars worth of circuit assemblies must be scrapped because of ... fill in the blank. Yee Gads! How could that happen? There are many reasons why circuit boards are scrapped, and it is safe to say that none of them are ...
Feature Story
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Our standard procedure for new bare PCBs is to bake at 125C if the date code is greater than six months old. These PCBs are sealed in plastic from the supplier. The packages have desiccants and indicator cards with moisture levels below 10%. I understand opened packs, but all of these have been sealed. To avoid delamination during reflow, is it required to bake these PCBs before use?
Ask the Experts
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Circuit Technology Center has added the capability to trim and form electronic component packages to customers' exact pre-assembly specifications. Precision form and trim of SMT flat-pack and axial and radial lead through-hole components are supported in both low and high-volume quantities. A robotic hot solder dip component lead tinning process usually follows trim and form to coat the component leads with solder to prevent oxidation or to remove gold plating from the formed leads.
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Millions are spent annually on the care and handling of circuit assemblies. Nevertheless, to the frustration of everyone involved, handling damage occurs. Boards, components, and assemblies are dropped, bumped, nicked, and dinged with annoying ...
Feature Story
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A research team has developed a wireless communication network to transmit, receive, and decode data from thousands of microelectronic chips.
Technology Briefing
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"No, I don't think you're crazy. Like most of us, you're just a victim of bad programming."
Copyright © Randy Glasbergen
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Trivia
What is the common term used to describe a solder alloy composed of 63% tin and 37% lead?
See the answer below.
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Quote of the Week
"There is no reason anyone would want a computer in their home."
Ken Olsen, co-founder of Digital (DEC), 1977
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