low helium leakage hermetic feedthrough connectors

{"cid":"91219827","title":"Leakage Rate 1x10 -9 Cc\/sec He Hermetic Feedthrough Connectors Termination Style Solder Glass Materials ELAN 48","imgUrl":"https:\/\/img.chinax.com\/nimg\/0f\/d4\/8a6b4eb879e9f53e01330a453f11-200x200-1.jpg","attrs":{"Price":"10 - 60 \uffe5","Brand Name":"SSCore","Minimum Order Quantity":"5 Pcs","Delivery Time":"7 - 14 Work Days","Place Of Origin":"CHINA","Packaging Details":"Vacuum Package","Payment Terms":"L\/C, D\/A, T\/T, D\/P","Supply Ability":"50w Pieces A Month","Mounting Type":"Panel\/PCB","Contact Resistance":"10 Mohms","Pin Materials":"4J50 ALLOY","Wire Size":"20 AWG","Termination Style":"Solder","Leakage Rate":"1x10^-9 Cc\/sec He","Hermeticity":"Leak-tight","Glass Materials":"ELAN #48"}}

{"cid":"91190364","title":"Single Pin Hermetic Electrical Connectors Kovar 4J29 Material Gold Plated Surface JM2016A","imgUrl":"https:\/\/img.chinax.com\/nimg\/09\/a9\/671a06458caf23eaaa135074a5d6-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"ELT","Model Number":"JM2016A","Minimum Order Quantity":"200 pcs","Delivery Time":"Within 3 Weeks","Certification":"ISO-9001-2015","Place of Origin":"China","Payment Terms":"T\/T, Western Union, L\/C","Supply Ability":"30,000,000 pcs per year","Packaging Details":"Standard Export Carton","Product Name":"Glass To Metal Hermetic Seals","Plating":"Gold Plated","Impedance":"50 Ohm","Certificate":"ISO-9001-2015","Pin":"Single","Material":"Kovar 4J29","Glass":"7052,7070","Hermecity":"<1.01325 X 10E-08 std.cc\/s"}}