Mr. Gully,
When we (at FLUKE PCB Mfg. Operations) used to produce Teflon PCB Multilayers,
we sandblasted, deburred, and then applied Tetra-Etch, (or Bond-Aid TL5-12) to the holes. We then processed
them through our normal Shipley Electroless Copper Process. We had very good results, however, the
process was not designed for large numbers of PCBs. We used 3M Co. Bonding Film No. 6700 as the
thermoplastic bonding agent.
References:
Tetra-Etch
W.L. Gore & Associates
1505 N. Fourth Street
P.O. Box 1389
Flagstaff, AZ 86002
(602)526-1290
Bond-Aid TL5-12
Shamban West
24412 S. Main St.
Suites 101-103
P.O. Box 4997
Carson, CA 90749-4997
(213)513-6656
RT/Duroid
Rogers Corporation
Microwave Materials Division
100 S. Roosevelt Avenue
Chandler, AZ 85226
602 961 - 1382
Regards,
FRED J. PAUL: [log in to unmask] FLUKE CORPORATION
Sr. Process Engineer POB 9090 M/S 55
PCB Operations EVERETT, WA 98206
direct: 206 356-5734 fax: 206 356-6070 Corporate: 206 347-6100
On Tue, 27 Feb 1996 11:16:54 +600 CDT John Gully wrote:
> From: John Gully <[log in to unmask]>
> Date: Tue, 27 Feb 1996 11:16:54 +600 CDT
> Subject: SPEEDBOARD PLATING
> To: [log in to unmask]
>
> Address,
>
> It's been a few months, but I'm back on the NET Cowboys and
> Cowgirls. You previously knew me as John Gulley at Hitachi
> Computer Products Division in Norman, OK. I am know with
> Compuroute Inc. in the BIG D of USA or Texas.
>
> Enough of the intro.....
>
>
> Does anyone have experience in desmearing, etchbacking and
> eletroless plating SPEEDBOARD (PTFE-Teflon) materials. We have
> been using SPEEDBOARD for approximately a year and have had good
> success through our processes. Recently we have encountered some
> process issues that are effecting overall quality.
>
> Anyone's assistance on this matter is greatly appreciated.
>
> Regards,
>
> Thomas John Gulley
> Process Engineer
>
> p.s.
>
> *In know way are we a competitor to PCB shops in the industry.
> We are a specialized company (ATE) that deals with
>
> 1. exotic materials: C.E., Polyimide, Speedboard, Teflon, B.T.
> 2. high layer counts: 16~24 layers
> 3. SVH: .006~.014 PTHs
> 4. metals: mainly gold boards, nickel, palladium
> 5. We design, fab and assembly a majority of our products.
>
|
