PCB design
   hierarchical, parametric drawing
   component libraries, design rules
   schematic entry, component placement, routing, simulation, fabrication
   Altium
   OrCAD
   Eagle
   fab modules pcb.cad

PCB fabrication
   etching
      ferric/cupric chloride, ammonium/sodium persulfate
      MSDS
   machining
      0.010
      1/64
      1/32
   cutting
   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
   AP Circuits, Advanced, Sierra, Gold Phoenix
   design rules
      width/spacing (15, 5 mils)
   layers
      1, 1.5, 2, 4, N
   solder mask, silk screen
   vias
      blind, buried
      
components
   through-hole
   surface-mount
   chip-scale

assembly
   solder
      eutectic
      wetting
      flux
      wire, paste, bar
      ROHS
   desoldering
   reflow
   wave
   stuffing
      tacking down parts
      bottom to top, inside to outside
      fumes
      washing
   pick-and-place
   encapsulation

CAM
   fab modules
   design → png
   png → path
      command line: png_path in.png out.path [intensity [error [diameter [number [overlap [z [z_number z_max intensity_max [axis]]]]]]]]
         in.png = input PNG file
         out.path = output path file
         intensity = intensity level to slice (optional, 0-1, default 0.5)
         error = allowable vector fit deviation (optional, pixels, default 1.1)
         diameter = diameter to offset (optional, mm, default 0)
         number = number of contours to offset (optional, -1 to fill all, default 1)
         overlap = tool overlap fraction (optional, 0 (no overlap) - 1 (complete overlap, default 0.5))
         z = slice z value (optional, mm, default 0)
         z_number = number of z slices (optional, default 1)
         z_max = maximum z slice height (optional, mm)
         intensity_max = maximum intensity level to slice (optional, 0-1)
         axis = axis to slice (optional, x|-x|y|-y|z|-z, default z)
      1/64", remove all: png_path top.png top.path .5 1 .4 -1
      1/64", remove 4: png_path top.png top.path .5 1 .4 4
      1/32": contour: png_path board.png board.path .5 1 .8 1
   path → rml
      command line: path_rml in.path out.rml [speed [x0 y0 [z0 [z_up [direction]]]]]
         in.path = input path file
         out.rml = output Roland Modela file
         speed = cutting speed (optional, mm/s, default 4)
         x0 = left position (optional, mm, default path value)
         y0 = front position (optional, mm, default path value)
         z0 = bottom position (optional, -mm, default path value)
         z_up = toop up position (optional, mm, default 1)
         direction = machining direction (optional, 0 conventional/1 climb, default 1)
      traces: path_rml top.path top.rml 5 25 25 -.1 1
      outline: path_rml board.path board.rml 0.5 25 25 -1.7 1
   .rml → Modela
      command line: rml_move x y [port]
         x,y, = position to move to (mm)
         port = serial port (optional, default /dev/ttyUSB0)
      rml_move 25 25
      set z zero
      command line: rml_send in.rml [port]
         in.rml = input Roland Modela file
         port = serial port (optional, default /dev/ttyUSB0)
      rml_send top.rml
   GUI
   
assignment
   make the FabISP in-circuit programmer

gurus
   PCB design
      CBA shop: Ed Baafi
      Arch. shop: Jie Qi
   PCB fabrication
      CBA Shop: Dan schultz
      Arch. shop: Andy Payne
   PCB assembly
      CBA shop: Ann Woods
      Arch. shop: Carolina Soto

lab sections
   milling
      CBA shop: David Carr
      Architecture shop: David Mellis
        T10: Sarah H., Ella, Sasha, Huang, Ahmed, Chris de V., Chris V., Dan F.
        T11: Anne, David L., Dan S., Dmitris, Rachel, Jie
        W10: Arthur, Andy, Masoud, Yeon-Wha, Catarina, Yadid
   stuffing
      CBA shop*: David Cranor
      Architecture shop: Nadya Peek
   cutting
      Jonathan Ward
   etching*
      David Cranor