Electronics Production


PCB fabrication
   etching
      lithography, transfer
      ferric/cupric chloride, ammonium/sodium persulfate
      SDS
      waste disposal
   machining
      machines
      tools
         0.010
         1/64
         1/32
      fixturing
      underlay
      orientation
      zeroing
      set-screws
      lifetime
      deburring
      cleaning
   vinyl cutter
   laser cutter
   printing
   plating
   sewing

PCB materials
   rigid
      FR4 (epoxy glass)
      FR1 (phenolic paper)
   flex
      Kapton
      #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
      PCB, kit, BOM
   design rules
      width/spacing (15, 5 mils)
   layers
      1, 1.5, 2, 4, N
   solder mask, silk screen
   vias
      rivets, plated, blind, buried

components
   through-hole
   surface-mount
   chip-scale

breadboards

assembly
   solder
      eutectic
      wetting
      flux
      wire, paste, bar
      manual, reflow, wave
      ROHS
   stuffing
      component orientation
      tacking down parts
      bottom to top, inside to outside
      fumes
      washing
   desoldering
      braid
      hot air
      gravity
   cutting traces, adding jumpers
   pick-and-place
   encapsulation

CAM
   formats
      Gerber/RS-274X
      png resolution
   mods
      video
   trace width
      traces interior 1/64" 0.010"
   
assignment
   group assignment:
      characterize the specifications of your PCB production process
   individual assignment:
      make an in-circuit programmer by milling the PCB,
      then optionally trying other processes
         ATtiny45
            Brian Zaerc
         ATtiny44
            Ali Valentin Andy David 
               hello.ISP.44.cad board components traces interior
               hello.ISP.44.res.cad board traces interior
               inventory microcontroller crystal USB connector ribbon connector Zener diode jumper
               firmware.zip
                  USB power
                  make clean
                  make hex
                  (sudo) make fuse (check programmer in Makefile, may need to repeat)
                  (sudo) make program
                  desolder SJ1 and SJ2
                  make IDC ISP cable, connecting header pin 1 to pin 1, check wires
               programming