Q: identify logos?

[Andy Resnick]

TL;DR

asking the hive mind for help

This question was prompted by me stumbling across this article:

https://www.researchgate.net/public...set_for_Deep_Learning-Based_IC_Logo_Detection

On the side, I decapsulate ICs and photograph them. Over the years, I've been able to identify at least 150 different manufacturers from the "marque" etched directly onto the IC, for example:

I've also accumulated about a dozen examples that I can't identify, and as mentioned in the paper, there aren't any good databases out there. So, on the off-chance someone here has any ideas, I'd like to know who made these:

thanks in advance!

 

[berkeman]

The first looks like Integrated Device Technologies (IDT), but it sounds like you already know that one. Interesting that they were acquired by Renesas -- the company I worked for was also acquired by Renesas recently.

https://en.wikipedia.org/wiki/Integrated_Device_Technology

 

[256bits]

A list that came up.
I did not find any matches.
https://retrosix.wiki/wiki/ic-manufacturer-logos

https://www.elnec.com/en/support/other/ic-logos?method=logo/

https://www.docdroid.net/GHbMEEf/integrated-circuit-manufacturer-logo-lookup-pdf