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Photos from an article about some different identifying marks on chips. You can read that article here.
Close-up of the upper right-hand corner of the board. Note the 0 ohm resistor (little black rectangle just below the center of the photo with "000" on it) put across pads 7 and 8 of U13. and CR8 is an LED. www.parallella.org/quick-start/
Macro taken with Tamron SP 90mm lens + Tamron SP BBAR MC 2x Teleconverter.
During our manual PCB rework services we pick and place various SMT components and solder them in place using either reflow oven or hand soldering techniques.
This is a modified CPC Plus cartridge. I have removed the EPROM that was soldered onto the PCB and replaced it with a IC socket. I can now burn my own games onto a 27C1001 EPROM.
There is a blog post about it here wp.me/p11CVu-wq
Please take a look at www.retrocomputers.eu for more info about my retro computer collection.
Millones de interruptores juntos... un chip , es una pastilla pequeña de material semiconductor, sobre la que se fabrican circuitos electrónicos generalmente mediante fotolitografía... y sin embargo desprende cierta calidez...
Millions of switches together ... a chip is a small semiconductor chip, on which electronic circuits are fabricated by photolithography generally ... and yet some warmth follows ...