| 1. Flat metal package use shell meterials such as Kovar FeNi42 CRS Kovar+Wcu.The separate structure adopts base material such as Wcu,OFC,OFHC or CRS1010; |
| 2. Customer can choose the height of shell. |
| 3. According to shape of cross-section we distinguish leads as rectangular section chemical corrosion lead and cyclinder lead which are choosen by customers. |
| 4. The method of sealing cap use reliable parallel sealing welding. |
| 5. Lead cross the sidewall and customers choose the shape and height of leads. |
| 6. The position of groud lead is decided by customer. |
| 7. Lid is designed to fit the dimension of shell. |
| 8. The performance of shell would be provided after electroplating.Customers also choose finish to be fully plating Au or selective plating Au. |
| 9. All index of parameter conform to GJB548 |