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 Post subject: Integrated circuit in 1964.
PostPosted: Sep Thu 23, 2021 6:39 am 
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This is a clip from I've Got A Secret, where Art Carney plays an organ that fit in his pocket. The organ was made by Motorola just for the show. They show the tube equivalent, and then the part printed on the silicon.

https://www.youtube.com/watch?v=QjKUj5vt9eQ

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 Post subject: Re: Integrated circuit in 1964.
PostPosted: Sep Thu 23, 2021 7:25 am 
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TPAairman wrote:
This is a clip from I've Got A Secret, where Art Carney plays an organ that fit in his pocket. The organ was made by Motorola just for the show. They show the tube equivalent, and then the part printed on the silicon.

https://www.youtube.com/watch?v=QjKUj5vt9eQ


That's a GREAT clip, you might as well have shown a iPhone to a caveman, to the degree that any of the likely viewers grasped the import of it.

Brett


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 Post subject: Re: Integrated circuit in 1964.
PostPosted: Sep Thu 23, 2021 4:27 pm 
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Thanks for posting!


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 Post subject: Re: Integrated circuit in 1964.
PostPosted: Sep Thu 23, 2021 5:01 pm 
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I would have expected a simple Unijunction Transistor oscillator. UJT "organs" were popular in the 60s.

Very primitive IC, maybe 2 transistors, but it was the beginning of great things.

The "tube equivalent" looks like an AA-5 superhet radio, not an organ circuit.

Rich


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 Post subject: Re: Integrated circuit in 1964.
PostPosted: Sep Fri 24, 2021 3:25 am 
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The computer company I worked for DEC, tried to make it's own primitive ICs in the early 60's. Because of the particular process used, these where called "Flip Chips". The technology didn't work out, and they began buying proven ICs from manufacturers when they became available. Interestingly, DEC retained the registered "Flip Chip" trademark and applied it to various circuit board products for many years. In a seeming effort to emphasize the "Flip Chip" heritage, it was printed on some boards inverted, and would read correctly only when the translucent card was "flipped" to the obverse side. A PDP-11 Unibus Grant Continuity Card, used to maintain bus integrity and allow the computer to run if a circuit board module option was removed from the backplane:

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 Post subject: Re: Integrated circuit in 1964.
PostPosted: Sep Fri 24, 2021 4:31 pm 
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At Westinghouse, in the late 60s, we had the Molecular Electronics Division. Made some great analog ICs for hearing aids. Moto and TI had to pay us licensing fees into the 1980s. Westinghouse did not understand the markets and by 1970, had closed down MED. We did make millions of ICs for anti-aircraft rocket fuses. M429.

Rich


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 Post subject: Re: Integrated circuit in 1964.
PostPosted: Sep Fri 24, 2021 6:37 pm 
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Motorola, by the time of that broadcast had been making encapsulated modules to use in their communications equipment. They were used in many electronic applications, and were often referred to as couplates. They were part of the progression to smaller and smaller circuits.

https://hackaday.com/2018/09/12/whats-a ... -circuits/

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 Post subject: Re: Integrated circuit in 1964.
PostPosted: Sep Fri 24, 2021 10:09 pm 
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Motorola never made couplates.

They were made by Centralab.

https://hackaday.com/2018/09/12/whats-a ... -circuits/

Rich


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 Post subject: Re: Integrated circuit in 1964.
PostPosted: Sep Fri 24, 2021 11:33 pm 
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Location: Montreal, Quebec
But there were things in between. Little modules, I never saw one inside. I had an opamp about the size of a matchbox. Maybe that was small discrete componennts. But in the early seventies, an early touchtone encoder was a hybrid. There were others.


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 Post subject: Re: Integrated circuit in 1964.
PostPosted: Sep Sat 25, 2021 12:02 pm 
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Some of the modules in the Pershing 1 missile system were little black cubes with multiple pins protruding from the bottom. It’s been over 50 years ago (late 60s) and if I remember correctly, we cracked one open and it was several small discrete components potted with epoxy.

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