Worked on PCB layout for solid-state preamp stage. Need to make PCB:

- Print traces-only 1:1 layout on 2 laser printer transparency sheets

- Make 2-layer overlay of PCB pattern for pre-sensitized PCB material

- Expose PCB to UV light

- Develop PCB

- Cut to size, drill, clean

- Tin-plate PCB

10PM-12:30AM (2.5HRS)