CA919308A - Field effect transistor for ionization smoke detector - Google Patents

Field effect transistor for ionization smoke detector

Info

Publication number
CA919308A
CA919308A CA122023A CA122023A CA919308A CA 919308 A CA919308 A CA 919308A CA 122023 A CA122023 A CA 122023A CA 122023 A CA122023 A CA 122023A CA 919308 A CA919308 A CA 919308A
Authority
CA
Canada
Prior art keywords
field effect
effect transistor
smoke detector
ionization smoke
ionization
Prior art date
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.)
Expired
Application number
CA122023A
Other languages
English (en)
Other versions
CA122023S (en
Inventor
Tagashira Hiroshi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nittan Co Ltd
Original Assignee
Nittan Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nittan Co Ltd filed Critical Nittan Co Ltd
Application granted granted Critical
Publication of CA919308A publication Critical patent/CA919308A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W74/00—Encapsulations, e.g. protective coatings
    • H10W74/10—Encapsulations, e.g. protective coatings characterised by their shape or disposition
    • H10W74/111—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being completely enclosed
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/20—Bump connectors, e.g. solder bumps or copper pillars; Dummy bumps; Thermal bumps

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
CA122023A 1970-09-14 1971-09-02 Field effect transistor for ionization smoke detector Expired CA919308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9071770 1970-09-14

Publications (1)

Publication Number Publication Date
CA919308A true CA919308A (en) 1973-01-16

Family

ID=26432163

Family Applications (1)

Application Number Title Priority Date Filing Date
CA122023A Expired CA919308A (en) 1970-09-14 1971-09-02 Field effect transistor for ionization smoke detector

Country Status (8)

Country Link
AU (1) AU3262771A (de)
CA (1) CA919308A (de)
CH (1) CH522295A (de)
DE (2) DE2145713A1 (de)
FR (1) FR2106486B1 (de)
GB (1) GB1308873A (de)
IT (1) IT939760B (de)
ZA (1) ZA715479B (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE451C (de) * 1877-07-28 Dr. MÜLLER in Lohne Flaschenverschlufs mit Luftdruckapparat
US3465210A (en) * 1967-05-23 1969-09-02 Rca Corp Housing and lead assembly for high-frequency semiconductor devices

Also Published As

Publication number Publication date
DE7134791U (de) 1973-05-30
IT939760B (it) 1973-02-10
CH522295A (de) 1972-04-30
FR2106486B1 (de) 1974-05-10
AU3262771A (en) 1973-03-01
GB1308873A (en) 1973-03-07
DE2145713A1 (de) 1972-03-23
ZA715479B (en) 1972-08-30
FR2106486A1 (de) 1972-05-05

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