China pcb prototype service

Basic information of oximeter pcb circuit board products:

Product Classification: PCBA

Product code: 4D1251A0-PCBA

Pcb sheet information: four layers of FR4, board thickness 1.6MM, copper thickness 1OZ, lead-free spray tin, green oil white

Production process: lead-free process

Order Quantity: 300pcs

Order Type: repeat order

Project requirements: pcba one-stop service

Baking requirements: pcb board needs to be baked for 8h

Production process guide:

Solder paste: lead-free solder paste

1, Thousand Islands: Sn99/Ag0.3/Cu0. 7/20-38wm

2, Henkel Loctite: Sn96. 5/A3/C0, 5/20-38m

Use patch device: YAMAHA, MADATA

Hand-picked components: hand stickers, clear tail reference to the first board

QC inspection before the furnace: visual inspection, check for errors and leaks

Reflow soldering equipment: The maximum temperature of reflow soldering is 245-248 °C, and the time is over 230 °C to control 40-605. U1 lens 1C is immediately pasted with a protective film to prevent scratching

Pcba packaging: anti-static bubble cotton - white pearl cotton (used around the carton) --- carton