4325 kovar lid

4325 kovar lid with matched base 5032 is used in oscillators,resonators etc.It has high soldering yield of more than 99.8%.

4325 kovar lid

1.Type:flat

2.Material:Kovar/4J29

3.Material thickness:0.07mm & 0.08mm & 0.1mm

4.Plating:100-300 microinches Nickel

KOVAR LID

High reliable kovar seam welding lids are the ideal accessory products for crystal oscillators,harmonic oscillators, SAW and IC packages. The rate of finished products can be up to 99.8 percent.

Properties of Lids  

Dimension precision:

Flat lid length/width tolerance: ±0.03mm

Flat lid thickness tolerance: ±0.02mm

Step  lid length/width tolerance :±0.08mm

Step  lid thickness tolerance: ±0.02mm

Surface: smooth and clean

Flatness:≤0.075mm(max)25mm T.I.R

Burr:≤0.01mm

Plating Binding: No peeling,blistering and delamination  after 45-angle bend for three times

Corrosion Resistance: No corrosion tested in 40°c, humidity 90%-95% for 500 hours

High Temperature Durability: No discoloration,peeling, blistering tested in 380°c for 15 minutes.

Helium Leakage: the rate is less than1×10 -9atm.cm3/sec(that is 1×10-4pa. cm3/s)

San Jin is known as the mental lid supermarket in China , providing the best quality and largest amount.