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.
4325 kovar lid
