JPH02105138U - - Google Patents

Info

Publication number

JPH02105138U

JPH02105138U JP1449189U JP1449189U JPH02105138U JP H02105138 U JPH02105138 U JP H02105138U JP 1449189 U JP1449189 U JP 1449189U JP 1449189 U JP1449189 U JP 1449189U JP H02105138 U JPH02105138 U JP H02105138U

Authority

JP

Japan

Prior art keywords

cover

air pressure

pressure detector

vibrating element

crystal vibrating

Prior art date

1989-02-08

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
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• 239000013078 crystal Substances 0.000 claims description 4
• 229920001973 fluoroelastomer Polymers 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 2
• YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
• 229910052731 fluorine Inorganic materials 0.000 description 1
• 239000011737 fluorine Substances 0.000 description 1