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  Solar wafer coating - White paper
USI has developed Nozzle-less
Solar wafer coatingUltrasonic spray technology capable of applying a wide range of materials in very thin, uniform films to improve the efficiency and move towards high-volume photovoltaic manufacturing. Learn more…
Ultrasonic Systems, Inc.
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Heraeus - Celebrating 40 years
of USA Manufacturing Excellence
Celebrating 40 yearsHeraeus has been developing, manufacturing and supporting Packaging Materials in Pennsylvania for the last 40 years. Our consolidated production area is a state-of-the-art facility with key personnel in sales, quality and research. Learn more about Heraeus materials…
Heraeus, Inc.




Improve Your Uptime
High Precision Dispense Tips
Precision needlesThe DL Technology EZ-FLO needles are custom-designed for precision dispensing applications in advanced packaging. Each needle is machined from solid stainless steel as opposed to rolled tubing. The resulting smoother internal profile enhances material flow and consistency. Learn more...
DL Technology
  Letter to the Editor Index
Feb 4, 2008

Graphene Transistors

Why does nanotech have an identity crisis? Aside from not clearly defining itself (and not differentiating from nano-scale - that is millennia old), the reported breakthroughs seem like more chem 101 or high school shop.

A top university makes graphene using "nitro acid - same mix we’ve used for nitroglycine) and ultrasonics). A previous big university breakthrough method for graphene (a single layer of graphite) was to peel off a layer from a block of graphite using Scotch Tape.

Need some graphite for your homegrown graphene factory - look inside of an old car generator for the brushes. The other problem with nanotech is that it is an overlay superimposed upon well established sciences, including chemistry, physics and biology (we might add molecular mechanics and other newer areas, too). Chemistry has worked the nano zone, and below (sub-nano) for centuries - and that’s why so much nano-stuff comes from chem labs.

See Graphene Transistors from MIT Technology Review posted in Semiconductor Packaging News on January 29, 2008



Ken Gilleo
ET-Trends LLC

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Bringing the Best Together
Ablestik and Emerson & Cuming join Henkel
Bringing Best TogetherHenkel brings the best electronics and semiconductor material brands together for long-term solutions. Our wide range of Electronics Assembly products including Loctite, Multicore, Hysol, Ablestik and Emerson & Cuming will deliver results for your production requirements. Learn more …
Henkel Corporation




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