BE658516A - - Google Patents

Info

Publication number
BE658516A
BE658516A BE658516DA BE658516A BE 658516 A BE658516 A BE 658516A BE 658516D A BE658516D A BE 658516DA BE 658516 A BE658516 A BE 658516A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE658516A publication Critical patent/BE658516A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
    • H01G7/023—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Organic Insulating Materials (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Measurement Of Radiation (AREA)
BE658516D 1964-01-21 1965-01-19 BE658516A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33910164A 1964-01-21 1964-01-21

Publications (1)

Publication Number Publication Date
BE658516A true BE658516A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1965-05-17

Family

ID=23327507

Family Applications (1)

Application Number Title Priority Date Filing Date
BE658516D BE658516A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1964-01-21 1965-01-19

Country Status (8)

Country Link
AT (1) AT270022B (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
BE (1) BE658516A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
CH (1) CH464357A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
ES (1) ES308344A1 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1) FR1465376A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (1) GB1046142A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
LU (1) LU47820A1 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL (1) NL6500604A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2060994B (en) 1979-10-12 1984-01-25 Marconi Co Ltd Piezoelectric/pyroelectric elements
GB2201548B (en) * 1987-02-25 1991-07-31 Harold Wilson Meredith Pook Electret elements
DE202009014001U1 (de) 2009-10-15 2010-03-18 Bolst, Klaus, Dr.-Ing. Filtersystem bestehend aus einem Elektretfilter und einer vorgeschalteten Ionisationseinheit zur Erhöhung der Leistung des Elektretfilters und Verlängerung der Standzeit dessen bezüglich seiner elektrischen und elektrostatischen Eigenschaften

Also Published As

Publication number Publication date
CH464357A (de) 1968-10-31
ES308344A1 (es) 1965-05-01
FR1465376A (fr) 1967-01-13
NL6500604A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1965-07-22
AT270022B (de) 1969-04-10
LU47820A1 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1965-03-22
GB1046142A (en) 1966-10-19

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