------- Weitergeleitete Nachricht / Forwarded message -------
From:          "Herbert Straatmann" 
Organization:  HSG-IMIT Villingen-Schwenningen, Germany
To:            kai.imit
Date:          Thu, 10 Jun 1999 15:54:18 +0100
Subject:       Re: Comments on manual wirebonders wanted

Hi Ken,

I don't know the  maintenance status of your wirebonder and so it's
impossible for me to say what's wrong with your machine.

But your problem sounds like the very one we have encountered with
our first wire bonder. Here are some basic hints for using a manual
wirebonder:

-  The most important advice is: keep the amount of operators
   as small  as possible. A new operator or an unskilled operator
   is always a  danger for the machine.
-  Using a book for documentation of the machine parameter settings.
   This makes it possible to monitor the machine status any time.
-  Don@t think wirebonding is easy. I strongly recommend
   practice,  practice, practice.......And you need something like
    "fingertip-feeling" (in german it@s called "Fingerspitzengefuehl")
-  And last but not least, keep your tools, specimes and working
   place clean.

Greetings

Herby
Yours sincerely, Kai Hiltmann

mailto:[email protected]    http://www.HSG-IMIT.de
K. Hiltmann
c.o. HSG-IMIT
Sensorics Section
W.-Schickard-Str. 10
D-78052 Villingen-Schwenningen

Phone ++49-7721-943-132
Fax   ++49-7721-943-210