[SI-LIST] Re: Decoupling capacitors

  • From: Istvan Novak - Board Design Technology <inovak@xxxxxxxxxxxxxxxxxxx>
  • To: Michael_Greim@xxxxxxxx, doug@xxxxxxxxxx
  • Date: Wed, 8 May 2002 11:09:45 -0400 (EDT)

Hi,

Rogers used to make the flat custom capacitors.  They still make the busbar 
products 
(http://www.rogers-corp.com/nv/busbarindex.htm).

Istvan


        Delivered-To: si-list@xxxxxxxxxxxxx
        Date: Wed, 08 May 2002 07:44:40 -0700
        From: "Douglas C. Smith" <doug@xxxxxxxxxx>
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        To: Michael_Greim@xxxxxxxx
        Cc: Alexander.Shapira@xxxxxxxxxx, si-list@xxxxxxxxxxxxx, Dieter 
Eisenlohr 
<deisenlohr@xxxxxxxxxxxxxx>
        Subject: [SI-LIST] Re: Decoupling capacitors
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        Hi Michael,
        
        I remember those capacitors. They were made by a company that also made
        little bus bars that were used to carry power and ground around on two
        layer boards. I don't remember the manufacturer, but if I do I will let
        you know. I have copied this email to Dieter Eisenlohr. There is a good
        chance he will know the answer.
        
        Doug
        
        Michael_Greim@xxxxxxxx wrote:
        > 
        > On a non dissimilar tangent, I was generating
        > a historical piece on the evolution of decoupling
        > and ran into a memory hole that I was hoping
        > that you could help me with.  Back in the mid
        > 80s when we still had dips with power pins on the
        > corners, there was a flat capacitor that would
        > fit under the chips and whose leads would fit into
        > the same holes as the dip power pins, making contact.
        > I used these all the time, but for the life of me
        > can't remember what they were called.  Does anyone
        > remember this ancient technology and what it was
        > called?  Thanks for the help.  Vintage engineers,
        > where are you???  Any other interesting stories or
        > technology from the dark ages would be much appre
        > ciated.
        > 
        > 
        > 
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        -- 
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Istvan Novak            Sun Microsystems, Inc.
Istvan.Novak@xxxxxxx    Workgroup Servers, BDT Group,
                        One Network Drive, Burlington, MA 01803  
                        Phone: (781) 442 0340

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