Hermetic Seal

Development with experience and historical performance

Hermetic Seal

Brief overview

Hermetic seals block air completely. Hermetic seals for crystal devices are sealed with glass and metal so they prevent humidity and dirt getting in.
Hermetic Seal

Purpose

Communication devices such as police radio pocket beepers, office automations, computers, crystallite liquid, automobiles, etc.
Purpose

Specification

Standard type of hermetic seals for crystal blank devices and crystal filters.
We also produce and design other than standard type for special order.

Specification

Features

MTEC’s hermetic seals for crystal devices are great for air tightness, insulation properties resistance to clime and are able to use for high frequency crystal device.
For Quartz crystal unit&For Quartz crystal filter

Products Line-up

For Quartz crystal unit For Quartz crystal filter
Drawing No. Blank size Drawing No. Blank size
CP-6077 PDF
φ4.0 mm
CP-6080 PDF
φ4.0 mm
CP-6113 PDF
φ4.5 mm
CP-6115 PDF
φ4.5 mm
CP-6100 PDF
φ5.2 mm
CP-6134 PDF
φ5.2 mm
CP-6112 PDF
φ5.5 mm
CP-6114 PDF
φ5.5 mm
CP-6137 PDF
φ6.0 mm
CP-6099 PDF
4.4×3.3mm

Major Facility

Welding equipment
Support automatic welding machine, Laser automatic welding machine.
Inspection apparatus
Support power meter, Microscope, Profile projector, Insulate measure.