PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_blind-via-with-smaller-solder-mask-opening_topic1110.xml
. I did the same thing once and the bare boards got to assembly and rejected. Tried to go back to the fabrication shop but they turned me down saying that the solder mask has been cured and there was nothing they could do.  
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_pcb-design-in-the-1970s_topic2333.xml
. The primary goal of solder mask back in the 70’s was toprotect the bare copper traces from oxidation and the acronym SMOBC wascreated
| https://www.eptac.com/wp-content/uploads/2021/10/EPTAC_DataSheet_7711-21-CIS.pdf
& Operator Certification Bare Board Inspection ■ IPC-A-600 Instructor & Operator Certification ■ IPC-6012 Instructor & Operator Certification Rework & Repair ■ IPC-7711
Imagineering, Inc. | https://www.pcbnet.com/quote/board-quote/?cpn=5
. All you pay for is the bare boards and assembly labor. This Special Introductory offer applies to NEW customers only on their first order
| http://etasmt.com/cc?pageID=newsList&ID=te_news_news,0&pNum=7
. Show Details Vacuum Loader- Edge Using "Edge vacuum pad", this unit unstacks bare boards one by one Show Details Destacker - Clamp Using "Side Clamp", this unit unstacks bare boards one by one Show Details Total number: 52 Pages: 7 of 9 First Previous Next Last
ASCEN Technology | https://www.ascen.ltd/Video_Channel/PCB_conveyor_system/list_16_2.html
|PCB inspection conveyor minitype PCB loader machine transfer PCB with the fixture PCB vacuum loader loading bare PCBs PCB shuttle Conveyor
ASCEN Technology | https://www.ascen.ltd/Blog/machines/224.html
)Double functions of automatic feed and PASS for bare board. 8)Adopt automatic board dropping method, effectively shorten the board time
ASCEN Technology | https://www.ascen.ltd/Blog/list_3_26.html
the high efficiency and save a lots of labor for the manufacturer,Most of time,one set PCB cutting machin... Blog Read more >> SMT PCB stacker SMT PCB stacker as a PCB board loader,it is used for loading bare board onto the PCB intelligent assembly line,PCB stacker without the magazine rack
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