Metal shell-less receptacle connector

A metal shell-less receptacle connector comprising:

• a ceramic module;
• a glass seal having an insertion hole into which an outer circumferential portion of the ceramic module is fitted;
• and
• a ceramic support having a seal fastening hole into which an outer circumferential portion of the glass seal is fitted and fastening holes to which fasteners are fastened,
• wherein the ceramic support has an O-ring seating portion, to which an O-ring is fitted to provide airtightness,
• wherein the receptacle connector is connected to a main board by being mounted on a flexible printed circuit board and fixed using an underfill, the flexible printed circuit board having a cut portion on a portion thereof for mounting of the receptacle connector on the main board,
• wherein the receptacle connector is connected to a connector connecting part of a frame, the connector connecting part having a through-hole, into which the ceramic module is inserted, in a central portion thereof and fastening holes on both sides of the through-hole, to which the fasteners are fastened, and
• wherein the receptacle connector is connected to the main board by connecting the receptacle connector to an outer circumferential portion of the flexible printed circuit board by soldering and fixing the receptacle connector using the underfill.