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焊接镍钛诺的最佳方法是什么?

Nitinol (a nickel titanium alloy) has become a very important material, especially in the medical world. It is often necessary to "attach" Nitinol to another piece of Nitinol or some other

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寻找无铅焊接中的锡须故障

Folks, In a recent post, I shared my perspective on the pluses, minuses and neutral aspects of lead-free solder assembly.In the minus category, I listed tin whiskers.A few people commented that tin

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ITO (Indium-Tin Oxide) Sputtering Target Reclaim/Recycling

ITO is one of the materials that makes the magic of flat panel displays (monitors, TVs, etc.) possible. When sputtered on in a thin layer, it acts as a transparent conductive film. However, the

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电迁移(EM)和电化学迁移(ECM)

I was asked this week to contribute to the upcoming IPC handbook (IPC-CH-65 HDBK) on the section on contamination and its effects on printed wiring assemblies (PWA’s). There is a clear crossover of

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Compatibility of Conformal Coatings versus No-Clean Solder Paste Flux Residues: When To Clean?

Conformal coating compatibility with no-clean flux residues has been a major topic for years – becoming even more popular recently with companies looking to cut manufacturing costs and

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Epoxy Flux Dipping for CSP and PoP Applications

This week a customer in Asia asked why one of our new epoxy fluxes was not allowing the package-on-package (PoP) device to be picked up from the dipping tray. Obviously, the vacuum nozzle must have

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It’s Wrong to Average or Add Cp and Cpk

Folks, Patty had been working with engineering on a new product that needed a very precise and controlled volume of the stencil printed “brick” of solder paste on the PWB pads. The product had

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The Law of Exponential Profits

Folks, Let’s assume you are trying to improve the productivity of your SMT assembly lines. You work at a facility that manufactures high volume products with a high mix. The first aspect of your

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The Conclusion of “Bob and Fred Breaks”

Folks, The conclusion of the Bob and Fred break saga…… Phil stared, “The uptime on AXI’s four SMT production lines is…….” Fred and Bob were waiting for the good news of

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弗雷德和鲍勃-布雷克传奇继续

(continued from previous post) “Fred break, Bob break?” Phil asked. Folks, The "Fred and Bob Breaks"saga continues, “Fred is the tech responsible for the stencil printer

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Bob Breaks and Fred Breaks

Folks, Dr. Phil James, a former student of “The Professor”, gets a phone call, let’s listen in…… Phil James was staring out the window of his office in Exeter, NH.Fall

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Transitioning from Water-Soluble Solder Paste Flux to No-Clean Solder Paste Flux

I just visited a customer that was converting from water soluble solder paste to no-clean. Not exactly a slam dunk transition as this customer found out. During my visit, solder balls and solder

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作为现代炼金术的冶金学:铋

尽管当今大多数科学家都认为炼金术已被广泛诋毁,我也被教导要同意这一点,但炼金术的想法是异想天开的,而且

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铋:我的新朋友

最近我一直在研究很多东西,其中一个我最喜欢的主题就是焊接合金。长期以来,大多数焊料(几乎所有焊料)都是由锡铅共晶组成的。

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Understanding Thermal Resistance Calculations

I have previously discussed various reasons why thermal considerations in a device cannot be an afterthought.There are various methods for handling the thermal needs of a device before it becomes a

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Gallium Solder Alloys: Questions & Answers

I’ve received numerous questions about using gallium liquid metal alloys, so thought I’d present some of my answers for all. The customerquestions are in black, and my responses in red.

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使用焊膏的晶圆和基底撞击 (II)

......我们又回到了 "要达到一定的凸起高度或凸起,我需要多小的焊粉颗粒 "的问题上。

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使用焊膏的晶圆和基底撞击 (I)

本周的主题是晶圆凸起和使用锡膏的基底凸起,以及粉末问题。

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SMT 焊接回流曲线和斜率

Solder paste is made to be reflowed in the SMT process. Exactly HOW that is done is critical to your success. Included in the Product Data Sheet, among other things, are parameters which guide the

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Soldering 101 CTE Mismatch

The Northeast USA (as well as other parts of the country) have been experiencing quite a warm summer. And, if walking out into the humidity wasn't clue enough, I would just have to test the fit

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Patty 和 Rob 凭借两条高运行时间生产线获得成功。

Folks, The adventures of Patty and Rob continue……. Rob bolted upright in bed. He had that terrible feeling that he had overslept for an important appointment. His eyes quickly found the

在 Indium,我们研究、开发和制造先进的电子组装材料解决方案,以应对当今、未来和未来的挑战。