Electronics Production


PCB fabrication
   etching
      lithography, transfer
      ferric/cupric chloride, ammonium/sodium persulfate
      citric acid, peroxide
      SDS
      water consumption
      waste
   machining
      machines
      tools
         0.010
         1/64
         1/32
         V-bits
         tapered bits
         contouring bits
      fixturing
      underlay
      orientation
      zeroing
      set-screws
      lifetime
      deburring
      cleaning
      climb vs conventional
   vinyl cutter flex connections encapsulation milling
   laser cutter
   printing conducting inks
   plating
   sewing

PCB materials
   rigid
      FR4 (epoxy glass)
      FR1 (phenolic paper)
      garolite
   flex
      Kapton, Pyralux
      #1 epoxy film, #1126 copper tape
   high-frequency
      teflon
      glass
   copper
      0.5 oz: 17.5 um
      1.0 oz: 35 um
      2.0 oz: 70 um

board houses
   PCB:NG, AP Circuits, Advanced, Sierra, Screaming Circuits,
      AQS, Gold Phoenix, 3PCB, Seeed, PCBWay, JLCPCB,
      Think & Tinker
      PCB, kit, BOM
   design rules
      width/spacing (15, 5 mils)
   layers
      1, 1.5, 2, 2+, 4, N
   mechanical, drill, solder mask, silk screen
   vias
      rivets, plated, blind, buried

components
   through-hole
   surface-mount
   chip-scale

breadboards

assembly
   solder
      iron station fume extractor
      ROHS
      types
         leaded wire paste
         lead-free wire paste
         low-temp wire paste
      eutectic
      wetting
      cold solder joints
      flux core, paste, pen
      manual, drag, wave
      reflow
         hot air, hot plate, oven, IR
      magnifying
   stuffing
      component orientation
      tacking down parts
      bottom to top, inside to outside
      fumes
      washing
   desoldering
      braid
      vacuum
      hot air
      gravity
   cutting traces, adding jumpers
   pick-and-place
   encapsulation

CAM
   formats
      Gerber/RS-274X
      png resolution
   FlatCAM
   mods community
      video
   trace width
      traces interior 1/64" 0.010" fiber laser
   
assignment
   group assignment:
      characterize the design rules for your PCB production process
   individual assignment:
      make an in-circuit programmer that includes a microcontroller
      by milling and stuffing the PCB, test it,
      then optionally try other PCB processes