MightyOhm Wiki

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====== Printed Circuit Board Resources ======

I have a poll here which showed a pretty even distribution until Sparkfun decided to send all their fans at the site: http://mightyohm.com/blog/2009/01/poll-who-is-your-favorite-prototype-pcb-vendor/

  * [[http://pcbway.com/hh |PCBWay(Cheap and high quality pcb. $10 for 10 pcs)]]
  * [[https://oshpark.com/ |OSH Park (formely known as BatchPCB)]] 
  * [[http://www.technotronix.us |Technotronix PCB Manufacturing]] 
  * [[http://www.customcircuitboards.com/ |Custom Circuit Boards]]
  * [[http://www.goldphoenixpcb.biz/ |Gold Phoenix ]] 
  * [[http://www.pcbcart.com/ | PCBCART]] 
  * [[http://www.7pcb.ca/ | Bittele (aka 7pcb)]] 
  * [[http://www.olimex.com/pcb/index.html | Olimex]] 
  * [[http://www.apcircuits.com/ | APCircuits]] 
  * [[http://www.wonderfulpcb.com/ | Wonderful PCB]] 
  * [[https://www.barebonespcb.com | Barebones PCB]]  
  * [[http://www.pcbfabexpress.com/| PCBFabExpress]]
  * [[http://www.dorkbotpdx.org/wiki/pcb_order | DorkbotPDX PCB Order]] - (Open to everyone not just dorkbotpdx people)
  * [[http://www.seeedstudio.com/blog/?p=22 | seeed studio]]
  * [[http://www.4pcb.com|Advanced Circuits ]]
  * [[http://www.7pcbassembly.com|Asian Circuits ]]
  * [[http://www.flashlineelectronics.com|Flash Line Electronics]] - They have a $10 for 30 sq in. and $20 for 60 sq. in 2-layer [[http://www.flashlineelectronics.com/Main/special2.html|special]].
  * [[http://www.sfcircuits.com/|San Francisco Circuits]] - They offer a [[http://www.sfcircuits.com/pcb-production-capabilities/hobbyist-special|hobbyist special]]
  * [[http://www.4pcbassembly.com/| PCB Assembly]]

===== other lists of PCB manufacturers =====
Other web sites with long lists of PWB fabricators:
  * [[http://pcbway.com/hh |PCBWay(Cheap and high quality pcb. $10 for 10 pcs)]]
  * [[http://www.ladyada.net/library/pcb/costcalc.html | Ladyada's "PCB Cost" Calculator]] -(its a good way to get a idea of cost, but don't count on it being exact)
  * [[http://opencircuits.com/PCB_Manufacturers | Open Circuits wiki: PCB manufacturers]]
  * [[http://massmind.org/techref/pcbfabs.htm | Massmind: PCB fabs]] (it's almost a wiki)
  * [[http://dmoz.org/Business/Electronics_and_Electrical/Contract_Manufacturing/Printed_Circuit_Boards/ | DMOZ: PCB manufacturing]]
  * [[http://chiphacker.com/questions/3760/moderately-priced-6-layer-pcb-fab | Chiphacker: moderately priced 6-layer PCB fab?]]
  * [[http://chiphacker.com/questions/1893/cheap-pcb-manufacture | Chiphacker: Cheap PCB manufacture]] (it's almost a wiki)
  * [[http://www.ladyada.net/library/pcb/manufacturers.html | Ladyada's List of PCB Providers]]

===== Solder Paste Stencils =====
  * [[http://www.sparkfun.com/tutorials/58|Sparkfun solder paste stencil tutorial]]
  * [[http://www.ohararp.com/Stencils.html|OHARARP]] - Kapton stencil, 8.5x11" max, $25 per sheet + shipping
    * 3.5 mil thickness.
    * Writeup on using these stencils: http://www.circuitsathome.com/production/on-reflow-soldering
    * Has anyone used them?
  * [[http://www.pololu.com/catalog/product/446|Pololu]] - Mylar (plastic), 24x12" max, $25 for 4 in sq. + $1 for each additional square inch
    * 3 or 4 mil thickness
    * Christian reported having problems with too much paste on fine pitch components.  Not sure what thickness he was using.
  * [[http://www.oshstencils.com/index.php|OSH Stencils]]
===== Test Fixtures =====

  * [[http://ladyada.net/make/pogojig/|Ladyada test fixture howto]]
  * [[http://cgi.ebay.com/100p-P75-LM-Spring-Loaded-Pin-OAL-0-65-DIA-0-040-/250655526141?pt=PCC_Modems&hash=item3a5c3bccfd#ht_737wt_1141|Cheap pogo pins]] - [[http://mightyohm.com/wiki/_media/resources:p75_pl75.jpg|Datasheet]]
  * Or search for "P75-LM pogo pin" on eBay