DATE: 17-Oct-2023 TO: Hughes Electronics Products FROM: Dan Edmunds Physics Department Michigan State University Email Edmunds@pa.msu.edu RE: Manufacture of the Mechanical Only DISCO Circuit Board This is a Mechanical Only test card. All that I need is a square card routed to size with the indicated holes drilled in it. There is: no etching, no plating, no solder mask, and no silkscreen. Data for Manufacturing the DISCO Mechanical Only Circuit Board ------------------------------------------------------------------ Circuit board name: DISCO Mechanical Only Quantity: 2 All design data is in mm. Circuit Board Material: FR4 or mechanical equivalent. The circuit board material may have copper or be bare FR4 either is fine. Circuit Board Thickness: If you have it available then a thickness in the range 75 to 80 mils would be good. Otherwise nominal 62.5 mil is fine. Board Size: Square 235 mm in X by 235 mm in Y Holes: There are 9 different drill hole sizes. Dill Drill Diameter Position mm Count Plated -------- -------- ----- ------ 1 0.65 48 no 2 0.90 124 no 3 1.10 12 no 4 1.20 17 no 5 1.30 4 no 6 1.55 4 no 7 2.25 4 no 8 2.70 4 no 9 3.20 8 no Gerber Files: File Name Description Data Type ----------- ------------------------------ --------- disco_1.gbr Board Outline with Dimensions Positive Delivery Schedule: A 2 week delivery would be good. Contact and Shipping Information: Daniel Edmunds Physics Department Rm 2150 Bio-Medical Physical Sciences Bldg. 567 Wilson Road Michigan State University East Lansing, MI 48824-2320 Email: edmunds@pa.msu.edu