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???
01/25/07 17:57
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Msg Score: +1
 +1 Informative		 #131478 - Just to follow up...
Responding to: ???'s previous message
Erik Malund said:

The (sad for some) fact is that the thru hole components slowly are disappearing and fine pitch soldering is a learnable skill (my techies do it 'all day'), while I get the impression from this thread that maybe PWB drilling is less 'learnable'.



I was cruising thru SiLabs.com and they have an app note on fine pitch soldering. I thought I'd come back and add a pointer here.


AN114.pdf



List of 70 messages in thread
TopicAuthorDate
BUS            01/01/70 00:00      
   does not make sense, pls explain            01/01/70 00:00      
      100 mils width is too small            01/01/70 00:00      
         Use 8052.com            01/01/70 00:00      
         in one direction, in the other it is .100            01/01/70 00:00      
         Drilling holes with 100 mil pitch should not be...            01/01/70 00:00      
            None at all!            01/01/70 00:00      
            The largest drill diameter is 0.050"            01/01/70 00:00      
               It's all coming back...            01/01/70 00:00      
                  What do you mean "coming back?" It's still here!            01/01/70 00:00      
                     the rest of us regard this a trip down memory lane            01/01/70 00:00      
                        Yes, paper clips, zippers ... they're still around            01/01/70 00:00      
                           yup, slow things down            01/01/70 00:00      
               It is 0.80mm NOT 0.080"            01/01/70 00:00      
                  One's too small, the other's too large            01/01/70 00:00      
         It\'s really not too small ...            01/01/70 00:00      
         Terms; Width v Pitch            01/01/70 00:00      
   if it is all or none            01/01/70 00:00      
      I'm using a Single Sided board...            01/01/70 00:00      
         I don't understand...            01/01/70 00:00      
            yes            01/01/70 00:00      
               If you mean what I think you mean.            01/01/70 00:00      
               use an IC socket then...            01/01/70 00:00      
                  a good ides does not suffer from being repeated            01/01/70 00:00      
                     I missed that, sorry...            01/01/70 00:00      
                        what is a "component platform"?            01/01/70 00:00      
                           thanks            01/01/70 00:00      
                              here we go            01/01/70 00:00      
                                 oh now I remeber            01/01/70 00:00      
                                    they are available in 0.3" as well            01/01/70 00:00      
         nowadays, ridiculously small is REALLY small            01/01/70 00:00      
            Broken bit.            01/01/70 00:00      
   PCB Prototyping            01/01/70 00:00      
      Drilling...            01/01/70 00:00      
         great, Rob            01/01/70 00:00      
            1 sided...            01/01/70 00:00      
               you are aware, I hope            01/01/70 00:00      
                  SiLabs, etc...            01/01/70 00:00      
                     not at all            01/01/70 00:00      
                        So is the 89C51ED2            01/01/70 00:00      
                           there are PLCC sockets that spread the pins to 0.1            01/01/70 00:00      
                              Yep.            01/01/70 00:00      
                                 ok            01/01/70 00:00      
                                 you don't have a proper devboard            01/01/70 00:00      
                                    Devboard            01/01/70 00:00      
                                       do yourself a favor            01/01/70 00:00      
                                          Thanks            01/01/70 00:00      
                              There are adapter boards that make it easy            01/01/70 00:00      
                                 You can add a groundplane!            01/01/70 00:00      
                                    not just Kai            01/01/70 00:00      
                     SiLabs vs Atmel            01/01/70 00:00      
                        elaborating            01/01/70 00:00      
                           deviates            01/01/70 00:00      
                              the problem there is            01/01/70 00:00      
                                 diffs twixt SiLabs families            01/01/70 00:00      
                                    To Andy            01/01/70 00:00      
                                       LPC9xx???            01/01/70 00:00      
                                 RCAP2 vs TMR2RL            01/01/70 00:00      
                                    acronyms...            01/01/70 00:00      
                                    If that had been it            01/01/70 00:00      
                                       F120 not genuine either            01/01/70 00:00      
                                          the difference is 'addition' vs 'change'            01/01/70 00:00      
            SMT Soldering is MUCH easier than PWB drilling.            01/01/70 00:00      
               wrong address            01/01/70 00:00      
               surface mount thru-hole            01/01/70 00:00      
                  Original SMT parts were modified DIP            01/01/70 00:00      
                     True but...            01/01/70 00:00      
                        The objective wasn't to make them smaller.            01/01/70 00:00      
                           O-Who?            01/01/70 00:00      
            Just to follow up...            01/01/70 00:00      

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