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February 2007

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From:
Hernefjord Ingemar <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Hernefjord Ingemar <[log in to unmask]>
Date:
Tue, 27 Feb 2007 09:10:36 +0100
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 I don't agree with nobody...hmm...syntax error? Anyway, as an old dog,
I think we live in a marvellous age. When I joined the electronics
industry, we had aluminum profiles, on which we mounted components.
Drilling machines made holes for various component supports and the
operator's tools were simply sets of wrenches, screwdrivers, cutters and
soldering irons. You had lots of sets of screws and bolts and brackets
and washers and porcelains supports and lots and lots of wires and
cables and you mounted hundreds of small relays, medium relays, power
relays and inductors and coils and lots and lots of various capacitors
and potentiometers and so on. The soldering smoke that filled the
assembly rooms was like the LA smoke in the 60s. We had AVO multimeters,
simple Tektronix oscilloscopes and frequency counters big as houses. All
signal generators were fitted with electron tubes and the few robotic
testers were monsters with clicking  relays and blinking glowlamps.  We
had no X-ray, no computers, no pick'n place, no SEMs, no analytical
instruments at all. Plasma cleaners were unknown, ultrasonic cleaners
didn't exist. We had not even hand calculators. No laser coplanarity
measurement apparatus, no hot air repair stations, no UV adhesive cure
lamps, no automatic components testers, no high speed NC drilling
machines, no automatic placement inspection systems, no FTIR, no
ergonomic tables and chairs and ergonomic tools were unknown, telephones
were just few (we had loudspeakers that told you to go to a special
telephone room),  the list of what we did not have is endless! So, when
I compare the working conditions from my younger days with nowaday's, I
must say we live in a wonderland, technically spoken! When I did my
first inspection of a mechanical thing (a clumsy magnetron), I used my
eyes, a glowlamp and a vernier calliper, just now I'm checking a
datasheet on a Phoenix tomography Xray equipment, by means of which you
can slice'n section any complicated mechanical structure same way as
CATSCAN slices human bodies. And my mate nextdoor just depressed 'send'
and his CAD starts a highspeed computerized milling machine, that
creates a complicated chassies protoype out of a bulk aluminum piece in
a fraction of an hour. And on my desk is my endoscope waiting to be
used. I enter the flexible fiber into a microwave waveguide. I can
defocus, change magnification and rotate a little prism 180 degrees and
take photos on the inside of the windling tube. Isn't all this just
amaaaazzzzing!!

Just a few words to encourage bored engineers

Inge



-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Bev Christian
Sent: den 26 februari 2007 19:11
To: [log in to unmask]
Subject: Re: [TN] APEX

TechNetters,
I am not a process engineer, in fact I am not an engineer of any kind,
but a scientist, so I had a different perspective. I found that the
exhibition had some nifty pieces of equipment that were either new or I
did not know about.  These included, but are not limited to:

Struers (make x-sectioning chemicals and equipment) - They showed me a
system where you can put a sample in a special holder, put it in an
x-ray machine, zero in on the exact spot that you want to cross-section
via the x-ray image, and then take it out and put it in an automatic
grinder/polisher and it will prepare a sample to that exact spot.

Akrometrix (make the Thermoire) - They now make a microfringe projector
which allows warpage measurement of components down to a 1 mm x 1 mm.
They also make another Thermoire add-on, a digital image correlation
(DIC) module that allows simultaneous warpage measurements of a part on
a board and the board AND measure x and y expansion.

Soltec (strain gage data acquisition) - They showed me their latest 16
and 32 channel data acquisition equipment.

ECI Technology (make SERA testers) - Have said they will send their
latest recipes.  Assure me that I should be able to measure OSP
thickness using a different solution.

So for me the show was very fruitful.  And of course there were the
committee meetings and papers.

But the main reason I go is to see my friends, but you can never tell a
boss that!

Bev
RIM

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Mike Buetow
Sent: February 26, 2007 11:33 AM
To: [log in to unmask]
Subject: Re: [TN] APEX

At the risk of disagreeing with my good friend Phil, I can't remember a
show where more new machines were introduced. Yes, many were based on
previous platforms, and yes, Cogiscan's RFID feeder was highly
interesting, but there were some other breakthroughs, too. One was
Viscom's combination AOI/AXI. Vitronics added a software program to its
6745 selective machine that is superb both in design and use. I also saw
a couple of really slick dispensers.
 
The problem is, some of the existing machines are already so good we do
get a bit jaded and forget how impressive the engineering really is.
 
Mike
 
 
 
Mike Buetow
Editor in Chief
Circuits Assembly
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Boston, MA 02131 USA
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