Walking Through a Big PCB Factory in China | 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