... sealing packaging technology. The overall structure consists of base, lead frame and lid. There are many types ... 8-lead, 14 lead, 16 lead, 18 lead, 22 lead, 24 lead and 28 lead and 40-lead, ... you more effectively1. Lead Number2.Width of package3. Base cavity size L × W4. Glass sealing temperature range5 ... ,corrosion-resistant3.Airtight,easy to package4.Consists of base,lead frame and lid5.Types: 8-lead, 14 ...