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143

iFixit hails replaceable LPCAMM2 laptop memory as a 'big deal' (www.theregister.com)

submitted 6 months ago by [email protected] to c/[email protected]

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[–] [email protected] 5 points 6 months ago (2 children)

What is a mil in this context? I'm genuinely curious.

[–] [email protected] 13 points 6 months ago (3 children)

Probably one thousandth of an inch.

[–] [email protected] 5 points 6 months ago (2 children)

inch

Ew.

[–] [email protected] 2 points 6 months ago

Yes.

[–] [email protected] 1 points 6 months ago

Hey thousands of an inch are the only part of our imperial system that actually makes sense

[–] [email protected] 5 points 6 months ago (2 children)

I've heard it referred to as 'thou' but not 'mil'

[–] [email protected] 2 points 6 months ago (1 children)

Yeah, I’ve never heard of that before either. What I have heard of is either MOA or MIL reticles. In that context a Mil stands for milliradian, which is a representation of angle. That definitely doesn’t track with the post though.

[–] [email protected] 1 points 6 months ago

And it's especially confusing for people who use sane measurement systems where "mil" is short for "millimetre", because it's just the start of the word. I think anyone that still insists on measuring things in thousandths of an inch should keep their own bespoke lingo too, and everyone else should steadfastly refuse to acknowledge "mil" in this context.

[–] [email protected] 1 points 6 months ago* (last edited 6 months ago)

A couple old metrology equipment dated back from the 80s I still use calls them 'mil'. It's got dual dials for mil/mm. Gets me confused sometimes because the gauge can go down to couple millionths of an inch/couple 10s of nanometers.

LVDT for those curious.

[–] [email protected] 4 points 6 months ago

Correct.

[–] [email protected] -3 points 6 months ago (2 children)

A millimeter i.e a thousands of a meter.

[–] [email protected] 10 points 6 months ago

5 mm isn't 'just over 0.1 mm'. That can't be right.

[–] [email protected] 1 points 6 months ago* (last edited 6 months ago)

In the design and manufacture of PCBs (aka circuit boards) a "mil" is a one thousandth of an inch, so it makes sense that's what is being used in this context.

Also the maths check out: 0.005 inches is equal to aprox 0.12mm, "just over 0.1mm".