EP0896382A2 - Composant à micro-ondes - Google Patents

Composant à micro-ondes Download PDF

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Publication number
EP0896382A2
EP0896382A2 EP98202627A EP98202627A EP0896382A2 EP 0896382 A2 EP0896382 A2 EP 0896382A2 EP 98202627 A EP98202627 A EP 98202627A EP 98202627 A EP98202627 A EP 98202627A EP 0896382 A2 EP0896382 A2 EP 0896382A2
Authority
EP
European Patent Office
Prior art keywords
microwave
section
microwave component
component according
intermediate element
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.)
Granted
Application number
EP98202627A
Other languages
German (de)
English (en)
Other versions
EP0896382B1 (fr
EP0896382A3 (fr
Inventor
Ralf Dr. Philips Patentverwaltung GmbH Wendel
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.)
Philips Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Philips Corporate Intellectual Property GmbH
Philips Patentverwaltung GmbH
Koninklijke Philips Electronics NV
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 Philips Corporate Intellectual Property GmbH, Philips Patentverwaltung GmbH, Koninklijke Philips Electronics NV filed Critical Philips Corporate Intellectual Property GmbH
Publication of EP0896382A2 publication Critical patent/EP0896382A2/fr
Publication of EP0896382A3 publication Critical patent/EP0896382A3/fr
Application granted granted Critical
Publication of EP0896382B1 publication Critical patent/EP0896382B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/32—Non-reciprocal transmission devices
    • H01P1/38—Circulators
    • H01P1/383—Junction circulators, e.g. Y-circulators
    • H01P1/387—Strip line circulators

Definitions

  • the invention relates to a microwave component.
  • German patent application 196 36 840.5 there is a microwave component described, which is a substantially trough-shaped housing part from a Bottom section and at least one on the circumference of the bottom section itself has adjacent wall section and a cover part, housing part and Enclose an interior part of the cover. There is a number in this interior essential disc-shaped components in a stack between the bottom section and Cover part arranged. Is adjacent to the stacked arrangement of the components in at least almost the entire height of the interior between the floor section and cover part at least one magnetically non-conductive spacer arranged.
  • This spacer is for the form-fitting filling of a Space between the stacked arrangement of the components and the or the wall sections along at least part of that dimension of the Wall section or the wall sections provided, which are at least in extends substantially in the direction of the circumference of the bottom portion.
  • the Magnetically non-conductive spacer can be made of electrically non-conductive Be formed material and takes over in this case except a mechanical Locking also the function of an electrical insulation.
  • the spacer can in particular have a high dielectric constant. At least it can an essential part of the space between the stacked arrangement the components and the wall section or the wall sections with a high Dielectric constant must be filled. The cited patent application continues indicated that this space is advantageous for compact, electrical or electronic Circuit elements can be used.
  • Microwave circulators as well as microwave isolators, which are commonly called Microwave circulators are built with built-in load impedance.
  • the usual design is the load impedance in the same plane with a microwave conductor arrangement arranged as in a conventional manner in microwave circulators used.
  • this arrangement has the load impedance especially when dimensioning for high electrical power consumption the disadvantage that for the load impedance in the plane of the microwave conductor arrangement a very large space must be provided. It means that one extending in the direction of the plane of the microwave conductor arrangement Base area of the bottom section of the housing part of the microwave component must also have very large dimensions if the load impedance from Housing part to be enclosed. However, this is from circuit and manufacturing reasons desirable.
  • the invention has for its object a microwave component of the above described in such a way that despite the inclusion of a extensive load impedance a compactization conducive to miniaturization Design is obtained.
  • a microwave component which has a bottom section and at least one adjoining the circumference of the bottom section Wall portion includes and with a cover part, housing part and cover part are made of magnetically conductive material and enclose an interior, in which a number of essentially disc-shaped components are stacked are arranged between the bottom portion and the lid part such that a at least a partial section of the floor section adjoining partial space of the Interior of the stacked arrangement is recessed.
  • the essential disc-shaped parts in their stacked arrangement so dimensioned and aligned that adjacent to at least a portion, i.e. a partial area of the bottom section, for example for the accommodation of a Load impedance suitable area of the interior of the trough-shaped Housing part remains.
  • This area referred to as a partial space, can be in particular without enlarging the bottom section of the housing part win that order of stacking the substantially disc-shaped Components are chosen so that those of the components with the lowest Dimensions in the direction of extension of the bottom section adjacent to this are arranged.
  • the components with larger dimensions in the direction of extension the bottom portion of the trough-shaped housing part are preferred to the Cover part arranged adjacent.
  • This subspace can preferably be between at least that Section of the bottom portion to which it adjoins and towards the Extend bottom portion of the components of the stacked arrangement.
  • the subspace can reach into areas of the interior of the housing part that parallel to the direction of extension of the bottom section individual of the disc-shaped components are located.
  • the subspace can, however also extend substantially in the direction of extension of the bottom section and thereby extend into areas of the interior that are between the Bottom section and that of the substantially disc-shaped components extend, which in the stacked arrangement as the bottom portion extreme is facing.
  • the invention thus within the housing part of the microwave component created a sub-space that also accommodates more extensive Load impedance arrangements is suitable.
  • the location of this subspace offers directly adjacent to the bottom section the advantage that arranged here Load impedance arrangements in good thermal contact with the housing part can be attached. This means that even in very small housing parts Application of load impedances with relatively high power consumption without thermal difficulties, i.e. without overheating the microwave component in operation, possible.
  • the bottom section offers both through its Design as well as its thermal contact with the environment the best Prerequisites for quick and even removal Thermal energy.
  • the subspace extends at least largely into a spatial area that at least partially to the bottom section, the intermediate element and at least part of the wall sections adjoins.
  • the intermediate element is electrical is conductive, it can be used as shielding and outer conductor for on the Microwave conductor arrangement to serve microwaves, preferably in Interaction with the lid part.
  • the intermediate element becomes magnetically conductive executed, it also preferably takes on the function of an otherwise usual Pole disk for homogenizing the magnetic field, which is the microwave conductor arrangement is acted upon by the magnetic element.
  • This between the wall sections and the intermediate element for example, sufficient Dimensioned air gaps may be provided.
  • the electrically conductive trained intermediate element this becomes electrically conductive with the housing part connected. This electrically conductive connection came through direct contact be made between the intermediate element and the wall sections. However, this electrical contact must have a low magnetic conductivity exhibit.
  • the microwave component according to the invention comprises at least one support element which extends along at least one of the Wall sections non-positively and / or positively between the bottom section and the intermediate element extends to define the spatial position of the Intermediate element opposite the bottom section.
  • This support element thus serves the locking and alignment of the intermediate element in the housing part.
  • Prefers can on the intermediate element more of the substantially disc-shaped Components are attached, for example by gluing. Their position in the housing part is also exactly defined by the positioning of the intermediate element.
  • the support element is an electrical one Conductive, but magnetically non-conductive connection between the bottom section and the intermediate element is formed.
  • the support element is preferably made of electrical conductive material such as aluminum, which is magnetic is not conductive.
  • the two exemplary embodiments shown in the figures show one Microwave component, which forms a microwave circulator that passes through reflection-free termination of one of its three gates in its microwave conductor arrangement through an appropriately dimensioned load impedance for the Function of a microwave insulator came to be formed.
  • This microwave device comprises a housing consisting essentially of a trough-shaped housing part 1 and a cover part 2. That essentially trough-shaped housing part 1 comprises a bottom section 3 of at least largely square in circumference as well as four on the circumference of the Floor section 3 adjoining wall sections 4, 5, 6, 7. A first of these Wall sections with the reference numeral 4 forms that in the front view (View Y) visible wall of the housing part 1.
  • a second of the wall sections with the reference numeral 5 forms the part of the visible in the rear view (view X) Housing part 1
  • a third wall section with the reference numeral 6 forms the in the left side view (view Z) visible part of the housing part 1
  • the fourth Wall section 7 forms the side view from the right - the view Z opposite - visible part of the housing part 1.
  • the housing part 1 with Bottom section 3 and wall sections 4 to 7 is preferably in one piece Chipless machining from an essentially plate-shaped, magnetic conductive material formed, for example from a magnetically conductive sheet punched and folded.
  • the cover part 2 is also produced in a corresponding manner
  • the wall sections 4 to 7 are essentially rectangular. On they have their edges facing away from the circumference of the bottom section 3 cone-like projections, which when assembling the housing part 1 with the Cover part 2 in corresponding recesses in the cover part 2 form-fitting intervention. These pin-like projections on the wall sections 4 to 7 are with 8, the recesses in the cover part 2 with the reference number 9 designated. Housing part 1 and cover part 2 can be glued, welded, Solder or bend or pivot the peg-like projections 8 be connected to each other. In addition, each other is the same in the result Acting connection type of housing part 1 and cover part 2 possible.
  • the wall sections 4 to 7 are not substantially to the corners of the square circumference of the bottom portion 3, but in the area of this Cut corners. In these corners there are 3 openings in the bottom section provided as screw holes for attaching the microwave component in serve a device or the like in which the microwave component is used finds.
  • These breakthroughs in the illustrated embodiments with the Reference numerals 10 are, for example, of circular circumference; she can however also as slot-shaped recesses in the circumference of the bottom section or be formed in a contour with a comparable effect.
  • the housing 1, 2 in the configuration described above forms part of a magnetic circuit, in the following a number essentially disk-shaped components is included, the stacked between Bottom section 3 and cover part 2 are arranged.
  • a number essentially disk-shaped components is included, the stacked between Bottom section 3 and cover part 2 are arranged.
  • the ferrite disks 11, 13 form the stacking together with the inner conductor 12 Microwave conductor arrangement to which the cover part 2 and the intermediate element 14 which form symmetrically spaced outer conductors in this example.
  • Intermediate element 14 is electrically conductive.
  • the intermediate element 14 is also formed from a magnetically conductive material and thereby forms at the same time a pole disk for the distribution and homogenization of the Permanent magnet 15 applied magnetic field, which the microwave conductor arrangement 11, 12, 13 perpendicular to the planar extent of the inner conductor 12 enforced.
  • the intermediate element 14 is positively between the Wall sections 4 to 7 inserted.
  • the intermediate element 14 is included Recesses along its edges adjacent to wall sections 4 to 7 provided so that the intermediate element 14 only on the wall sections supported via narrow webs 19. Otherwise, the intermediate element is 14 preferably also formed without cutting from a magnetically conductive sheet.
  • the illustrated embodiments also a multi-part intermediate element from a electrically conductive, film-like part as an outer conductor for the microwave conductor arrangement 11, 12, 13 and an arrangement of magnetically conductive Pole disks are used.
  • the tab 18 consists of a flat, magnetically conductive sheet and lies flat against the bottom section 3.
  • the tab 18 forms with the air gap 17 an arranged in the magnetic circuit, Geometrically changeable magnetic tuning element.
  • the air gap 17 is changed in its contour, in particular its width, and thus adjusted in its magnetic conductivity. This changes the magnetic field strength in the entire magnetic circuit and thus also in the area the microwave conductor arrangement. The microwave component is compared this enables simple and precise.
  • the Adjustment properties are influenced by the magnetic tuning element.
  • first and second wall sections 4, 5 are further along the Border along which these wall sections 4, 5 adhere to the circumference of the Connect bottom section 3, recesses 21 and 22 provided through even when a microwave component is installed in a device, for example a shift of the tab 18 and thus a comparison made easily can be.
  • a separate mechanical attachment of the tab 18 on Bottom section 3 is not shown and can also be omitted because both elements are held in their position relative to one another by magnetic attraction. About that however, the position of the tab 18 was also secured by adhesive or security lacquer or the like. be made.
  • the inner conductor 12 points to the formation of the three gates of the microwave component three connecting conductors 23, 24, 25. These are arranged accordingly Recesses 26, 27, 28 in the first, third and fourth wall sections 4, 6 and 7 respectively led out of the housing 1, 2 of the microwave component, whereby a electrical insulation of the inner conductor 12 against the housing 1, 2 is ensured.
  • Support elements 29, 30 are electrically conductive, however, designed to be magnetically non-conductive and preferably made of aluminum shaped. They define the spatial position of the intermediate element 14 opposite the bottom section 3, i.e. they set the distance between these two elements fixed to each other.
  • This Room area also contains the permanent magnet 15 and the Thermoflux disc 16 and the magnetic tuning element with the tab 18 and the air gap 17 that can be influenced by it described space area to a partial section of the floor section 3 Adjacent subspace 31 is left out of the listed components. This Partial space 31 is indicated by the dashed line drawn in bold.
  • Subspace 31 which is in the immediate vicinity of the floor section 3 and thus good electrical and, above all, thermal contact with the Bottom section 3, the load impedance mentioned was preferably arranged through which one of the connecting conductors of the inner conductor 12, preferably the first Lead 23 came to be completed reflection-free.
  • the existing one Subspace 31 enables a load impedance arrangement, which for a Comparison to the dimensions of the housing 1, 2 of the microwave component high power dissipation came to be designed. This can be a microwave isolator build high performance class with very compact dimensions. In particular, a load impedance with a power consumption in the Range between 50 and 200 watts. This large load impedance can be within the Housing 1, 2 can be arranged without the dimensions of the bottom portion 3 increase. The arrangement of the load impedance adjacent to the bottom section 3 also ensures thermal decoupling from the microwave conductor arrangement 11 to 13.
  • the housing part 1 Tab 18 For the assembly of the described embodiments of the microwave component according to the invention is first in the housing part 1 Tab 18 inserted. Then the support elements 29, 30 in the Housing part 1 introduced. In the between the support members 29, 30 and Floor section 3 or the tab 18 lying area is then the Thermoflux disc 16 and the permanent magnet 15 arranged and it becomes this Space area covered by the intermediate element 14. To ensure the Air gap 17 must be the height of the support elements 29, 30 in the viewing direction View W may be greater than the sum of the heights of tab 18, the Thermoflux disc 16 and the permanent magnet 15. Instead of for reasons The single thermoflux disc 16 shown in the simplification can be used in practice an arrangement of several Thermoflux disks can also be used.
  • the permanent magnet 15 and the are advantageous in a pre-assembly Thermoflux disc 16 on the intermediate element 14, for example by gluing attached and the pre-assembled assembly 14, 15, 16 with the Permanent magnets 15 in the direction of the bottom section 3 on the support elements 29, 30 put on.
  • the microwave conductor arrangement is placed on the intermediate element 14 layered from the ferrite disks 11, 13 and the inner conductor 12 and by applying the cover part 2 and fixing it to the housing part 1 fixed.
  • the assembly of the entire microwave component can be stacked in one Complete assembly jig, which has, for example, three pins for assembly by corresponding recesses, not shown in the exemplary embodiments be performed in the bottom section 3 and the position of the individual, disc-shaped Define components 11 to 16, 18. After attaching the cover part 2 that Microwave component pulled from these pins.
  • the permanent magnet 15 is installed in the fully magnetized state.
  • the magnetic field necessary for the operation of the microwave component is with the slidable tab adjusted.
  • For mechanical access to this Tab 18 can also use the recess 20 in the bottom section 3 as long as they are - due to the installation position of the microwave component - is accessible.
  • the exemplary embodiments shown in the figures differ in terms of the formation of the subspace 31 by the selected shape for the Permanent magnets 15. While in the first embodiment shown in FIGS. 1 to 7 the disc-shaped permanent magnet has a radial extension, which in essentially coincides with that of the ferrite disks 11, 13 is in the second 1, 2, 8 to 12, a permanent magnet with lower radial dimensions used. To achieve a comparable volume for the Coming permanent magnet 15 is the thickness of the disc-shaped Permanent magnets 15 selected larger in the second embodiment than in the first Embodiment. Correspondingly, the subspace 31 extends in the first Embodiment to a significant extent in the space between the permanent magnet 15 and the tab 18, i.e. in the air gap 17.
  • the subspace 31 in the second exemplary embodiment compares this with FIG much larger proportion of a space between the floor section 3 and the intermediate element 14, which is laterally through the first wall section 4 on the one hand and by the permanent magnet 15 and the tab 18 on the other is narrowed down.
  • By reducing the radial dimension of the Permanent magnet 15 in the second embodiment is also one Enlargement of the subspace 31 to accommodate a load impedance compared to the first embodiment possible.

Landscapes

  • Non-Reversible Transmitting Devices (AREA)
  • Packaging For Recording Disks (AREA)
EP98202627A 1997-08-07 1998-08-04 Composant à micro-ondes Expired - Lifetime EP0896382B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19734097 1997-08-07
DE19734097A DE19734097A1 (de) 1997-08-07 1997-08-07 Mikrowellen-Bauelement

Publications (3)

Publication Number Publication Date
EP0896382A2 true EP0896382A2 (fr) 1999-02-10
EP0896382A3 EP0896382A3 (fr) 2001-04-04
EP0896382B1 EP0896382B1 (fr) 2004-04-14

Family

ID=7838189

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98202627A Expired - Lifetime EP0896382B1 (fr) 1997-08-07 1998-08-04 Composant à micro-ondes

Country Status (5)

Country Link
US (1) US6046651A (fr)
EP (1) EP0896382B1 (fr)
JP (1) JP4157918B2 (fr)
CN (1) CN1139143C (fr)
DE (2) DE19734097A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2168045B2 (es) 1999-11-05 2004-01-01 Ind Aux Es Faus Sl Nuevo suelo laminado directo.
US8209928B2 (en) 1999-12-13 2012-07-03 Faus Group Embossed-in-registration flooring system
US6691480B2 (en) 2002-05-03 2004-02-17 Faus Group Embossed-in-register panel system
US7836649B2 (en) 2002-05-03 2010-11-23 Faus Group, Inc. Flooring system having microbevels
US8181407B2 (en) 2002-05-03 2012-05-22 Faus Group Flooring system having sub-panels
US8112958B2 (en) 2002-05-03 2012-02-14 Faus Group Flooring system having complementary sub-panels
US8201377B2 (en) 2004-11-05 2012-06-19 Faus Group, Inc. Flooring system having multiple alignment points
US7385454B2 (en) * 2005-05-23 2008-06-10 M/A-Com, Inc. Ferrite housing for microwave devices

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0381412A2 (fr) * 1989-02-01 1990-08-08 Hitachi Ferrite Ltd. Elément de circuit non réciproque à éléments concentrés
JPH0936610A (ja) * 1995-07-25 1997-02-07 Tokin Corp 非可逆回路素子
JPH09199909A (ja) * 1996-01-11 1997-07-31 Hitachi Metals Ltd 非可逆回路素子

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355680A (en) * 1965-03-29 1967-11-28 E & M Lab Microwave ferrite devices having particular arrangements for the magnetizing source
GB1290908A (fr) * 1968-12-23 1972-09-27
US3739302A (en) * 1971-06-01 1973-06-12 Trak Microwave Corp Miniaturized ferrimagnetic circulator for microwaves

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0381412A2 (fr) * 1989-02-01 1990-08-08 Hitachi Ferrite Ltd. Elément de circuit non réciproque à éléments concentrés
JPH0936610A (ja) * 1995-07-25 1997-02-07 Tokin Corp 非可逆回路素子
JPH09199909A (ja) * 1996-01-11 1997-07-31 Hitachi Metals Ltd 非可逆回路素子

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 06, 30. Juni 1997 (1997-06-30) -& JP 09 036610 A (TOKIN CORP), 7. Februar 1997 (1997-02-07) *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 11, 28. November 1997 (1997-11-28) -& JP 09 199909 A (HITACHI METALS LTD), 31. Juli 1997 (1997-07-31) *

Also Published As

Publication number Publication date
JPH11136006A (ja) 1999-05-21
CN1208259A (zh) 1999-02-17
EP0896382B1 (fr) 2004-04-14
US6046651A (en) 2000-04-04
JP4157918B2 (ja) 2008-10-01
EP0896382A3 (fr) 2001-04-04
CN1139143C (zh) 2004-02-18
DE19734097A1 (de) 1999-02-11
DE59811177D1 (de) 2004-05-19

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