Product name: |
Customized Iron-Nickel-Cobalt Flatpack |
Finish: |
Fully plating Au. (Fully plating or selective plating Au.) |
Plating coating: |
Package,pin,lid are plated Ni:1.3~11.43um;Package and pins are plated Au≥1.0um |
Product formation: |
Material |
Quantity |
1. Cover plate |
4J42(42alloy) |
1 |
2. Welding ring |
HLAgCu28 |
3 |
3. Glass insulator |
BH-C/K |
5 |
4. Lead |
4J29(Kovar) |
2 |
5. Cavity |
4J29(Kovar) |
1 |
Insulation resistance: |
500V DC, insulation resistance between single pin and package is ≥1*1010Ω |
Air tightness: |
Leak rate is less than 1*10-3 Pa*cm3/s |
Product features: |
1. Package material adopts Kovar.To strengthen thermal conductivity the structure usually adopt separate bodies formed by brzaing.The materials of base are commonly Wcu and OFC. |
2. The sealing cap method use realiable parallel sealing welding. |
3. Pins cross sidewall and its ranking and length depends on customers'needs. |
4. The location of ground lead is made by customer also. |
5. The lid is designed to fit the dimension of shell. |
6. The package needs to be electroplated to achieve high reliable performance.Customer could choose fully plating Au or selective plating Au. |
7. The frequency of radio-frequency head should be 20GHz,the standing wave ratio needs to be≤1.3. |
8.T he other index of package should conform to requirement of GJB548. |