You are not alone. Their price changes have forced us to design them out of new projects. THOMAS -----Original Message----- From: Kane, Joseph [mailto:[log in to unmask]] Sent: Wednesday, August 29, 2001 8:56 AM To: [log in to unmask] Subject: Re: [TN] Sheet Adhesive Suppliers Steve: I was reluctant to slam them on line, but Ablestik is the problem. Price increases like 3x or more. Thanks. -Joe > ---------- > From: Stephen R. Gregory[SMTP:[log in to unmask]] > Reply To: TechNet E-Mail Forum. > Sent: Tuesday, August 28, 2001 10:32 PM > To: [log in to unmask] > Subject: Re: [TN] Sheet Adhesive Suppliers > > Hi Joseph! > > We build assemblies that use adhesive preforms for just the reasons you've > > stated, and process them exactly like you do... > > The vendor is AbleStik at: http://www.ablestik.com/ > > I hope this is not the company that you're talking about that's raised > their > prices so much... > > This preform that we use bonds two assemblies to a aluminum heatsink, one > to > each side, and this is the adhesive pre-form that is called out by our > customer...we can't use anything else...sounds like a change of scope if > the > prices have increased a bunch!!! > > -Steve Gregory- > > > > > Our supplier for epoxy sheet adhesives has significantly increased > prices, and I'd like to look at alternative sources. > > We use this stuff for bonding ladder-style aluminum heatsinks to > PWB's. The types that we use are either glass cloth or Kapton > film covered with epoxy, total thickness from .004" to .009". We > cut material on a programmable x-y machine that looks a lot like > a plotter, but with a blade instead of a pen. Cure is with heat and > > pressure, either in a fixture and oven, or with a vacuum bag and > platen press. > > We like dry film better than screen printing or dispensing liquid > adhesive because it's a lot less messy, bondline thickness is very > repeatable, material doesn't squeeze out when fixtured, and there > is no smear when aligning the heatsink with the board. > > Anyone use Arlon materials for something like this? Other sources? > > > > > > ---------------------------------------------------------------------------- ----- Technet Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt delivery of Technet send the following message: SET Technet NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------- ----- --------------------------------------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt delivery of Technet send the following message: SET Technet NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------