Walking Through a Big PCB Factory in China | PCB Manufacturing | JLCPCB

Watch how PCB is manufactured and how boards are assembled. Thank you very much to JLC for helping me to create this video. JLCPCB 1-8 Layers for $2: https://jlcpcb.com FEDEVEL online courses: https://www.fedevel.com/courses Chapters: 00:00 What is this video about 00:14 Raw material cut to panels 01:21 Cleaning PCB 02:59 Photosensitive film applied (Building layers L2 & L3) 03:56 Exposing L2, L3 05:39 Developing L2, L3 06:36 Etching L2, L3 07:27 Removing photosensitive layer 08:01 AOI - Automated Optical Inspection 08:55 Making copper rougher 10:43 Adding prepreg 11:19 Adding copper sheets - Top and Bottom layer (L1, L4) 13:01 Baking PCBs, oven room 14:54 Splitting to two panels again 17:06 Adding aluminum sheet 17:30 Drilling 19:39 Plating 20:52 Electroless plating 24:18 Electroplating 27:35 Applying photosensitive film on L1 and L4 28:19 Exposing L1, L4 30:15 Developing L1, L4 31:24 Applying tin layer 33:30 Removing photosensitive layer from L1, L4 34:38 Etching L21 L4 34:50 Removing tin layer 35:48 AOI - Automated Optical Inspection 36:35 Optional electrical testing 37:53 Adding solder mask color 40:06 Exposing solder mask 41:55 Developing solder mask 43:27 Making silkscreen 47:23 Gold plating 49:54 Optical inspection, fixing, measuring 51:08 Electrical test 52:13 Milling - Removing PCB from big panel 53:36 V-Score 55:34 Packing PCB 56:32 Board Assembly 57:34 Inserting components into feeders 58:51 Stencil & Paste 59:18 Setting up component placement 59:51 Checking placement with AOI 1:00:42 Soldering - Going to owen 1:01:15 Checking after soldering 1:01:56 Assembling a board 1:04:30 3D printing 1:07:13 Done. Packing and shipping