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On Mon, 27 Oct 1997 09:36:08 -0700 Matt Bonner <spam_OUTmbonnerTakeThisOuTSUNADA.COM> writes: >Andy Kunz wrote: >To go ever further off-topic: >Speaking about weird screws and such, when are you Yanks going embrace >Robertson head screws (those things that Bob Villa calls "square head" >screws)? They don't slip like Philips and they stay put on the >screwdriver. Probably about the same time we adopt the metric system... Does the rest of the world still lay out printed circuit boards in inches? Harold

On Mon, 27 Oct 1997, Harold Hallikainen wrote: > > Probably about the same time we adopt the metric system... Does > the rest of the world still lay out printed circuit boards in inches? No... OTH, to my great shame, I have not been able to break myself of the imperial habit... i still find it easier to visualize an inch rather than a centimeter, or a mile rather than a kilometer. Oh well.. working on it. Pierce "I have a work order for the immediate demolition of your reality tunnel." -Bob, RAW Construction Corp. =========================================================================== Geek Code v2.1: d?H+sg+a-w++v+c++UHS+P+L+E+N+K!WM--!V-po+Y+t+5+j+R+G!tvb+++ D+B---e+u*hf+r+*n-y+

> > Probably about the same time we adopt the metric system... Does >the rest of the world still lay out printed circuit boards in inches? Unfortunately, yes. Since almost every standard component and connector is laid out in inches, and every PCB layout package too. By the way, is a Robertson head also the one called a Superdrive? That's like a Philips, but with the faces of the driver cut at different angles. __________________________________________________________________________ ________ _______ ______ __/ ____/ W5 Ltd. \ \ / \ / / /_ \ \ / \ / /___ \ 33 Sneath Avenue \ \ / \ / \ \ London NW11 9AJ \ \ / \ / / / United Kingdom \ \/ /\ \/ ____/ / \ / \ /______/ Telephone +44 181 922 7778 \ / \ / Fax +44 976 650 110 \ / \ / eMail .....mailKILLspam@spam@W5.co.uk \______/ \______/ Technology * Innovation * Design * Solutions __________________________________________________________________________

In message <19971027.143404.11127.0.HaroldHallikainenKILLspamjuno.com>> .....PICLISTKILLspam.....MITVMA.MIT.EDU writes: > On Mon, 27 Oct 1997 09:36:08 -0700 Matt Bonner <EraseMEmbonnerspam_OUTTakeThisOuTSUNADA.COM> > writes: > >Andy Kunz wrote: > > >To go ever further off-topic: > >Speaking about weird screws and such, when are you Yanks going embrace > >Robertson head screws (those things that Bob Villa calls "square head" > >screws)? They don't slip like Philips and they stay put on the > >screwdriver. > > > Probably about the same time we adopt the metric system... Does > the rest of the world still lay out printed circuit boards in inches? > I do, but it is getting harder to do with some of the smaller packages. Regards, Mike Watson

Alec Myers wrote: >> Probably about the same time we adopt the metric system... Does >>the rest of the world still lay out printed circuit boards in inches? > > >Unfortunately, yes. Since almost every standard component and connector is >laid out in inches, and every PCB layout package too. This is so true. We are a Canadian company (Canada uses the metric system) but we dimension both metalwork and pcb designs using imperial measurements. Yes, from what I have seen, almost every standard component and connector is dimensioned in inches......except the European and Japanese components. Our cable and wire lengths however are dimensioned in metres (notice Canadian spelling of "meter"). Funny though, we have another plant in the USA which uses metric demensions for its metalwork. Go figure.... >By the way, is a Robertson head also the one called a Superdrive? That's >like a Philips, but with the faces of the driver cut at different angles. A Robertson head has a square (or cubed) cutout. The Robertson concept originated in Canada. Never heard of a Superdrive. Cheers! -Randie /*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/ */ Randie Ohtsji /* /* Glenayre R&D, Vancouver, BC CANADA Phone: (604) 293-1611 x4555 */ */ Email: rohtsjispam_OUTglenayre.com Fax: (604) 293-4317 /* */ ________ /* /* / ____/ /__ ____ ____ ___ _________ */ */ / /___/ / _ \/ __ \/ __ `/ / / / __/ _ \ /* /* / /_\ / / __/ / / / /_/ / /_/ / / / __/ */ */ \____/_/\___/_/ /_/\__,_/\__ /_/ \___/ /* /* ________________________/ / */ */ /_________________________/ /* /*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/