The grinding tool we use is a dremel with an abrasive cut off wheel
Regards,
George
George M. Wenger
Senior Principal Reliability / FMA Engineer
Andrew Corporation - Wireless Network Solutions
40 Technology Drive, Warren, NJ 07059
(908) 546-4531 Office (732) 309-8964 Mobile
E-mail: [log in to unmask]
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Robert Kondner
Sent: Friday, August 12, 2011 11:53 AM
To: [log in to unmask]
Subject: Re: [TN] FW: Metal can, transistor, delidding tool
Hi,
You can use a simple grinding wheel to grind off the outside edge around
the top of the can. Secure the device in a small clamp and use a small
grinding tool. The top can then easily be removed with the tip of an Xacko
knife.
Bob K.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez
Sent: Friday, August 12, 2011 9:36 AM
To: [log in to unmask]
Subject: Re: [TN] FW: Metal can, transistor, delidding tool
The size odd the pipe cutter, manual/automatic, is out of proportion for the
transistor can size. We have already considered that avenue.
Victor,
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of David D. Hillman
Sent: Friday, August 12, 2011 8:32 AM
To: [log in to unmask]
Subject: Re: [TN] FW: Metal can, transistor, delidding tool
Hi Steve - I have never had the opportunity to use the device everyone is
seeking/describing but what about this idea - would a small diameter
pipecutter, like the ones used for cutting copper/aluminum tubing for water
pipes and electrical conduit, work for opening the components?
Dave
Steven Creswick <[log in to unmask]> Sent by: TechNet
<[log in to unmask]>
08/12/2011 08:11 AM
Please respond to
TechNet E-Mail Forum <[log in to unmask]>; Please respond to Steven Creswick
<[log in to unmask]>
To
<[log in to unmask]>
cc
Subject
Re: [TN] FW: Metal can, transistor, delidding tool
Victor,
I did a quick search and could not find the manual tool which I was
looking
for. I can clearly visualize it in my mind, but cannot remember the
manufacturer's name.
Basically, it consisted of two sealed bearings, having the spin axis
vertical. The outer races of the bearings were approximately 0.15" apart
[don't remember if the spacing was adjustable or not].
Coming in from the 'open' side of the bearing pair was a cutting disk,
much
like the cutting wheel of a pipe cutter, etc. [Actually, the cutting disk
was flat on one side and came in at a very small angle on the other] The
cutting disk was attached to a threaded mechanism which allowed it to be
brought closer to, or farther away from the cylindrical devices being
opened.
To operate, one would back off the cutting disk, insert the TO package
[leads-up], such that the sealing flange rested on top of the outer races
of
the bearings.
The cutting disk would then be brought in against the package lid, just
above the sealing flange [actually, just below the flange as it was
oriented
in the machine], against the header platform.
When we opened TO's, it was not for the purpose of re-sealing.
Midas made/s can openers for bathtub packages and TO's, but they are doing
so with the intent to re-seal. Possibly they have a clue about who makes
the manuals for DPA....
You may also contact the author of various articles on delidding of
counterfeit devices for suggestions.
If you are not the least bit concerned about generating particulate
matter,
you can chuck the cover in a drill press or lathe chuck and go at it with
a
dremel tool and cutoff wheel. Ditto for small lathe and cutoff tool, or
file, etc.
If you find out who made/makes the old manual tools let me know.
One could make one, but the upfront engineering charges would likely
outweigh the purchase cost - if you could find who makes them....
http://www.process-sciences.com/pdfs/PSI_Counterfeits_Screening.pdf
http://www.midastechnology.com/Products_Midas_Technology.html
Steve Creswick
Sr Associate - Balanced Enterprise Solutions
http://www.linkedin.com/in/stevencreswick
616 834 1883
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez
Sent: Friday, August 12, 2011 7:51 AM
To: [log in to unmask]
Subject: [TN] FW: Metal can, transistor, delidding tool
Folks,
I have not received the correct response to my inquiry. Therefore, I
will post again.
A "Can Opener Tool" for de-lidding metal transistor can, as done in past
years when metal cans were the norm.
Victor,
-----Original Message-----
From: Stadem, Richard D. [mailto:[log in to unmask]]
Sent: Wednesday, August 03, 2011 10:06 AM
To: TechNet E-Mail Forum; Hernandez, Victor G
Cc: [log in to unmask]; [log in to unmask]; [log in to unmask];
[log in to unmask]; [log in to unmask]
Subject: RE: Metal can, transistor, delidding tool
This sounds like a question for some of the failure analysis experts who
may
have a good understanding of de-packaging tools. I have copied them
specifically to get their inputs.
Can you folks in the CC field provide any input on sources for
de-packaging
tools that Victor is looking for?
Thanks
Dean Stadem
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez
Sent: Wednesday, August 03, 2011 8:43 AM
To: [log in to unmask]
Subject: [TN] Metal can, transistor, delidding tool
Fellow TechNetters:
My colleague and I were recalling, flash back, tools for opening metal
can components, transistors, etc. We currently have a need for one of
those specialized tools from years gone by. A tool for removing the lid
on
EPROMS was also very handy, nut cracker.
Can someone provide a make and model to purchase an electric cap opener
for
delidding metal package transistors (like T-03 packages)? I used to have
a
SigneMatic cap opener, but they appear to be no longer in business. The
unit had an adjustable/slide roller that feed the metal can into a
rotating
beveled blade/cutting edge.
Appreciate any help on this.
Victor,
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