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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STAR датащи(PDF) 17 Page - Texas Instruments |
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STAR датащи(HTML) 17 Page - Texas Instruments |
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17 / 30 page  ApplicationTotal System Saving TLHH8352 – 32 Cost pressures today are forcing many electronics manu- facturers to automate their production lines Surface mount technology plays a key role in this cost-savings trend be- cause 1 The mounting of devices on the PC board surface elimi- nates the expense of drilling holes 2 The use of pick-and-place machines to assemble the PC boards greatly reduces labor costs 3 The lighter and more compact assembled products re- sulting from the smaller dimensions of surface mount packages mean lower material costs Production processes now permit both surface mount and insertion mount components to be assembled on the same PC board Automated manufacturers can improve their cost savings by using Tape-and-Reel for surface mount devices Simplified handling results because hundreds-to-thousands of semi- conductors are carried on a single Tape-and-Reel pack (see the ‘‘Ordering Information’’ section for the exact quantities) With this higher device count per reel (when compared with less than 100 devices per rail) pick-and-place machines have to be re-loaded less frequently and lower labor costs result With Tape-and-Reel manufacturers save twiceonce from using surface mount technology for automated PC board assembly and again from less device handling during ship- ment and machine set-up 16 |
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