hardware - How did wave soldering work? - Retrocomputing Stack …
2020年11月22日 · In addition the PCBs are preheated, so the solder moves in right away. Naturally the traces heat better than the PCB. In fact, heating (degree and speed) - and later …
What was the first computer board to be wave-soldered?
2021年3月18日 · The modern PCB, as we know it, was a war time development and so was wave soldering as a way to lower production cost while maintaining consistent quality. All this …
hardware - Why were chips socketed in early computers?
2018年9月6日 · *2 - Wave soldering is a rather secure process and around since at least 1947 (oldest usage I know). It does require to have the whole board plus all of the placed …
Why were early (personal) computer connectors so bulky?
2024年7月11日 · A Sub-D connector can be soldered without any tool, using manual labor. No matter whether on PCB or cable. Perfect for any volume, especially a low starting volume. …
What causes the traces to wrinkle like this and should I be worried
Excess solder on the traces would be removed before the mask was applied, but usually not completely on large traces. So, after being masked, when the board was wave soldered to …
hardware - Main board of the original Game & Watch (Ball ...
2016年12月28日 · As a side note, if you've ever opened a G&W game double screen game, you'll have noticed that the main chip is sitting 45° from the main board and this was done because …
Why was the Apple III considered a failure (if indeed it was)?
2022年3月30日 · That is, if not shortcut or fried already during the wave soldering process. And then there was the heat issue. Unlike the Apple II, there was no large interior space to …
Why does my IBM 5154 have an undulating wave?
2018年7月8日 · Put it back together and it works, sort of. I can clearly see the picture that is supposed to be there but the blacks are not black in EGA graphics mode and there is an …
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Frequent 'printed-circuit-board' Questions - Retrocomputing …
Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their …