Electronics Forum: plastic (Page 1 of 92)

IC plastic encapsulant family

Electronics Forum | Mon Jun 05 14:08:41 EDT 2000 | Bob Smith

I am trying to find the plastic family used in manufacturing the bodies of integrated circuits. Usually our product is fully encapsulated in ScotchCast however a new application requires part of a pressure sensor chip to be free of encapsulant. The S

Clear plastic SMT tapes - what plastic grade for recycling

Electronics Forum | Fri Jan 23 13:20:44 EST 2015 | daniellarios

Well both materials are thermo plastics and recyclable. But it is diffficult to separe into streams. Do you have any process to do this?

Clear plastic SMT tapes - what plastic grade for recycling

Electronics Forum | Wed Feb 04 22:01:48 EST 2015 | daniellarios

But do you separate this waste from others. Or do you separate by plastic? Because if you do the second it would be easier to find a way to recycle. Do you use an optic sorter ?

Clear plastic SMT tapes - what plastic grade for recycling

Electronics Forum | Wed Oct 15 10:50:00 EDT 2014 | proy

Can anyone suggest what plastic type SMT tapes for mostly embossed/deep pocket tapes are for recycling? I am talking about semi clear type, for 16/24mm widths usually pocketed. The black tapes we get from our Tape and reel supplier are thermo forme

Clear plastic SMT tapes - what plastic grade for recycling

Electronics Forum | Wed Feb 04 21:44:58 EST 2015 | proy

Well both materials are thermo plastics and > recyclable. But it is diffficult to separe into > streams. Do you have any process to do this? I can sort them and keep them separate, the problem I am having is finding a way to get titis properly in

Clear plastic SMT tapes - what plastic grade for recycling

Electronics Forum | Wed Oct 15 15:52:36 EDT 2014 | davef

VTEK says …” Carrier tapes are made from three primary materials. (All are manufactured in accordance with EIA standards) 1 Polycarbonate is a black plastic material with excellent impact strength. It is used primarily for bare die and small form fac

Storage Life for plastic SMT

Electronics Forum | Thu Jan 16 13:41:27 EST 2003 | Adrian

Is there documentation showing shelf life for plastic surface mount devices ? This will of course take into consideration that all the nessecary ESD precautions with N2 dry boxes are in use.

Re: IC plastic encapsulant family

Electronics Forum | Wed Jun 07 10:49:38 EDT 2000 | John Thorup

Dave - let's not forget Dainippon's Novolac epoxy. This is the stuff that caused us so much grief with IC shortages years ago when their factory was damaged and it turned out they were the world's major supplier of molding compounds. This also spaw

Re: IC plastic encapsulant family

Electronics Forum | Tue Jun 06 20:13:31 EDT 2000 | Dave F

Not as easy as that Bob. But this may help you get started ... IC packaging materials include: � Silicone - Room temperature vulcanized silicone - Heat curable hydrosilation silicone � Biphenol & multifunctional epoxy glob tops � Polyurethane � Pol

Storage Life for plastic SMT

Electronics Forum | Fri Jan 17 15:47:28 EST 2003 | davef

There is no documentation like you seek. The life of your part in storage is primarily a function of: * Quality of the part fabrication process. * Ingenuity and diligence you apply in protecting the parts from the environment. You need to: * Handle

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