OSP PCB - PRINTED CIRCUIT BOARD
OSP differs from other surface treatment processes in that it functions as a barrier layer between copper and air; in short, OSP is a chemically grown organic film on a clean bare copper surface. This film has anti-oxidation, thermal shock resistance, and humidity resistance to protect the copper surface from rusting (oxidation or sulfurization) in the normal environment. At the same time, it must be easily assisted in the subsequent welding high temperature. The flux is quickly removed for soldering. An osp pcb is an organic solderability preservative board.
The general process is: degreasing-> micro-etching-> pickling-> pure water cleaning-> organic coating-> cleaning. The process control is relatively easy compared to other methods.
Currently, about 25% -40% of PCBs use organic coating processes, and this proportion has been rising. The organic coating process can be used on low-tech PCBs as well as on high-tech PCBs, such as single-sided TV PCBs and high-density chip packaging boards. For BGA, there are more organic coating applications. If the PCB does not have osp surface connection functional requirements or storage period limitations, organic coating will be the most ideal surface treatment process.
SPEEDAPCB is a professional PCB supplier and a reliable China circuit board manufacturer. We can provide customers with a one-stop service from PCB design to PCB production and assembly.
Contact : Molly Tu speedapcb, +86 0731 15387574935
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This page is about importers and exporters of OSP PCB - PRINTED CIRCUIT BOARD Search in a category : Second hand goods Search in a category : printed, circuit, board |
Saturday, June 29, 2013
Quantity : 1 - Price : USD2310
Wellhead Function: During drilling operation, casing head is an important equipment for controlling wellhead pressure. Raw Material: Carbon steel or low alloy steel comply with API Spec.6A. Applied Casing Program: 20"×13-3/8"×9-5/8"× 7"×5-1/2", or as user's requirements. Bottom Connection...
Kergy Oilfield Equipment Co.,LTD
- kergy
- 999077 - HongKong
- 86 15399023516
Saturday, February 20, 2016
Quantity : 1000 MT PE - Price : 300/mt CIF
PUMPKIN SEEDS GROWN WITHOUT SHELL NEW CROP 2015 TOP GRADE AND COMPETITIVE PRICE PRODUCT DETAILS AND SPECIFICATIONS Product name Dark Green Pumpkin Seeds Year of production Crop 2016 Origin Thailand Grade A,AA grade Style Common or Organic Moisture 9%max Purity 99...
Khun Jack Partnership Ltd
- 5000 - Chaing Mai
- +66 9 68 75 20 43
Saturday, October 06, 2012
Quantity : 6 - Price : 0,00 €
Appareil d'entraînement pour le dos... votre thérapeute à domicile ! L'appareil développe un doux bercement rythmique circulaire continu du bassin, de l'avant vers l'arrière et d'un côté vers l'autre que l'on définit comme " Mouvement passif continu " qui permet de relâcher doucement...
WTC
- 57000 - METZ
- 06 51 05 50 33




