GB872517A - Irradiating an object - Google Patents

Irradiating an object

Info

Publication number
GB872517A
GB872517A GB29932/57A GB2993257A GB872517A GB 872517 A GB872517 A GB 872517A GB 29932/57 A GB29932/57 A GB 29932/57A GB 2993257 A GB2993257 A GB 2993257A GB 872517 A GB872517 A GB 872517A
Authority
GB
United Kingdom
Prior art keywords
electron
accelerator
redirected
electron beam
objects
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
GB29932/57A
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.)
High Voltage Engineering Corp
Original Assignee
High Voltage Engineering Corp
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 High Voltage Engineering Corp filed Critical High Voltage Engineering Corp
Publication of GB872517A publication Critical patent/GB872517A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/08—Deviation, concentration or focusing of the beam by electric or magnetic means
    • G21K1/093—Deviation, concentration or focusing of the beam by electric or magnetic means by magnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

872,517. Irradiation apparatus. HIGH VOLTAGE ENGINEERING CORPORATION. Sept. 24, 1957 [Sept. 28, 1956; Oct. 8, 1956(2)], No. 29932/57. Class 98(1) [Also in Group XL(a)] Objects or packagings other than continuous lengths of materials are irradiated with high energy electrons by dividing a stream of electrons produced by imparting a scanning movement to a beam from a single source into two portions, each of which is directed on to the object to be irradiated and at least one of which is deflected and redirected on to a part of the object inaccessible to the other portion of the stream. Three types of apparatus are described : the first (see Fig. 3) comprises an electron accelerator, the lower part of which is shown at 3, supporting means such as a conveyer belt 8 for the object 6, and a magnet 9 indicated by broken lines, whereby the portion of the beam not initially incident upon the object is redirected on to the opposite side of the object. As illustrated a hollow member 11 having an electron window 12 is arranged to surround the redirected electron beam and to be adjacent to the electron window 4 of the accelerator: a pump 13 may be provided to evacuate this member, or it may be in direct communication with the accelerator without an intermediate electron window or it may be filled with a lowdensity gas such as helium; the member may however be omitted. In the second apparatus (see Figs. 4 and 5), the electron beam passes out of the accelerator through two electron window assemblies 4<SP>1</SP> and 5<SP>1</SP> terminating in windows 6<SP>1</SP> and 7<SP>1</SP> which face opposite sides of objects 6 supported on conveyer 8. Two magnets 11<SP>1</SP> and 12<SP>1</SP> having poles 13<SP>1</SP>, 14 and 15, 16 respectively direct the divided electron beam through the electron windows. In the third form of apparatus (see Figs. 8 and 9), specially adapted for irradiating an axially aligned series of bottles, ampoules, vials or collapsible containers, the electron beam is directed by magnets 9a and 10a so that all parts of the periphery of the objects receive uniform radiation. Specifications 539,790, 695,441, 695,539, 721,235 and 872,518 are referred to.
GB29932/57A 1956-09-28 1957-09-24 Irradiating an object Expired GB872517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US872517XA 1956-09-28 1956-09-28

Publications (1)

Publication Number Publication Date
GB872517A true GB872517A (en) 1961-07-12

Family

ID=22204033

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29932/57A Expired GB872517A (en) 1956-09-28 1957-09-24 Irradiating an object

Country Status (1)

Country Link
GB (1) GB872517A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2201523A1 (en) * 1972-09-28 1974-04-26 Thomson Csf Normal incidence irradiation appts - for irradiation of curved surfaces by charged particles
FR2358193A1 (en) * 1976-07-15 1978-02-10 Sumitomo Electric Industries Uniform charged particle irradiation - esp. of polymer coated wire by electrons using non:uniform magnetic field deflection
GB2000634A (en) * 1977-07-01 1979-01-10 Cgr Mev Apparatus for irradiating a target on two opposite faces by means of an accelerated charged particle beam

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2201523A1 (en) * 1972-09-28 1974-04-26 Thomson Csf Normal incidence irradiation appts - for irradiation of curved surfaces by charged particles
FR2358193A1 (en) * 1976-07-15 1978-02-10 Sumitomo Electric Industries Uniform charged particle irradiation - esp. of polymer coated wire by electrons using non:uniform magnetic field deflection
GB2000634A (en) * 1977-07-01 1979-01-10 Cgr Mev Apparatus for irradiating a target on two opposite faces by means of an accelerated charged particle beam
GB2000634B (en) * 1977-07-01 1982-06-30 Cgr Mev An apparatus for irradiating a target on two opposite faces by means of an accelerated charged particle beam

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