WO2003041220A1 - Antenne microruban et son procede de production - Google Patents

Antenne microruban et son procede de production Download PDF

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Publication number
WO2003041220A1
WO2003041220A1 PCT/DE2002/003213 DE0203213W WO03041220A1 WO 2003041220 A1 WO2003041220 A1 WO 2003041220A1 DE 0203213 W DE0203213 W DE 0203213W WO 03041220 A1 WO03041220 A1 WO 03041220A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
antenna
arrangement according
antenna arrangement
ground
Prior art date
Application number
PCT/DE2002/003213
Other languages
German (de)
English (en)
Inventor
Frank Gottwald
Dirk Steinbuch
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2003041220A1 publication Critical patent/WO2003041220A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
    • H01Q9/0457—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means electromagnetically coupled to the feed line
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/378—Combination of fed elements with parasitic elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0414—Substantially flat resonant element parallel to ground plane, e.g. patch antenna in a stacked or folded configuration

Definitions

  • the invention relates to an antenna arrangement for a radar transmitting and receiving device.
  • Radar transmitting and receiving devices can be arranged in particular in the area of a bumper of a motor vehicle and can be used to determine a distance of the bumper from an object. Thus, they can serve in particular as parking aids for motor vehicles.
  • Radar transmitters and receivers of this type generally have an RF circuit arrangement which is arranged on a circuit board or between two circuit boards and interacts with antenna elements.
  • DE 198 59 999 C1 shows such a radar transmitting and receiving device for a parking aid.
  • an RF circuit arrangement is arranged on a first printed circuit board which interacts with at least two flat antenna elements which are attached to a plastic film glued to a second printed circuit board.
  • openings are formed in the second printed circuit board in which spacers are arranged, on which the antenna elements rest. The spacers produced with an exact linear expansion thus define the distance between the RF circuit arrangement and the antenna elements.
  • a disadvantage of this circuit arrangement is that it requires the production of very precise spacers, which leads to high production costs. Furthermore, the arrangement of the spacers in the openings and the gluing to the plastic film without damaging the antenna elements are relatively complex. Another major disadvantage is that the spacers between the antenna elements and the ground position reduce the efficiency of the antenna. This influence can be limited when using good and therefore expensive material, but it cannot be completely avoided.
  • the antenna arrangement according to the invention as claimed in claim 1 and the method for its production as claimed in claim 17 offer the advantage in particular that an antenna arrangement with high efficiency can be created with relatively little effort.
  • the production is advantageously possible in relatively few production steps and with low production costs.
  • the antenna arrangement is advantageously small and mechanically stable.
  • the manufacture of the antenna layers or "patches” is integrated into the manufacturing process of the HF printed circuit board. This can be achieved in particular through a special layer structure of the HF circuit board. Thus, in contrast to the prior art mentioned above, no separate parts are required for attaching the antenna layers.
  • the antenna arrangement according to the invention can be produced as a uniform, inexpensive and mechanically stable printed circuit board.
  • the antenna layers can be produced directly in the printed circuit board by means of structuring processes, the additional step of producing the antenna foil and fastening is eliminated on spacers using additional elements, such as a plastic film.
  • antenna layers or patches can be formed on both sides of the carrier layer. Due to the different distance from the ground and due to the different lateral size of the antenna layers, a frequency detuning between them can be achieved, whereby a bandwidth increase is achieved with relatively little additional effort, which is particularly the case with broadband systems such as a pulse radar with z. B. 400 ps pulse width is advantageous.
  • FIG. 1 shows a sectional illustration of an antenna arrangement according to a first embodiment of the invention
  • Fig. 2 is a sectional view of an antenna arrangement according to another embodiment of the invention.
  • an antenna arrangement 1 is constructed as a printed circuit board, a conductive ground layer 2 serving as an HF ground, in which a slot 7 is formed, being arranged on an HF substrate 3.
  • a feed line 9 can be provided on the underside of the HF substrate.
  • a spacer layer 5, for example made of the plastic material FR4, is attached to the ground layer 2 by means of an adhesive layer 4.
  • the thickness of the spacer layer 5 is, for example, between 0.5 and 1 mm, in particular 0.7-0.9 mm.
  • a free space 14 is formed which leaves the slot 7 free.
  • the slot 7 can be provided approximately centrally in the free space 14.
  • a conductive antenna layer 10 made of copper or another their metal trained.
  • the carrier layer 8 is placed on the spacer layer 5 by means of an adhesive layer 6 in such a way that the antenna layer 10 lies opposite the ground layer 2 in the free space 14.
  • the distance between the antenna layer 10 and the ground layer is determined by the thickness or thickness of the distance layer 5. A desired distance is thus set by selecting a suitable thickness for the spacing layer 5.
  • the carrier layer 8 can, for example, also be made from the plastic material FR4 and have a small thickness of, for example, 100 ⁇ m.
  • a reinforcing layer 13 is applied to the carrier layer 8 by means of an adhesive layer 12, which has a recess 17 in the area of the antenna layer 10, so that none Forces are exerted on the carrier layer 8.
  • the carrier layer 8 can first be connected to the reinforcing layer 13 and these two layers can subsequently be placed on the spacing layer 5, or the carrier layer 8 can first be placed on the spacing layer 5 and subsequently the reinforcing layer 13 can be glued on and the press-in pressure applied.
  • a second antenna layer 16 is formed on the back of the carrier layer 8. It can be formed on the carrier layer 8 by means of suitable structuring methods, in particular etching a copper layer. The additional costs of production compared to the antenna arrangement of FIG. 1 are correspondingly low.
  • the second antenna layer 16 is thus arranged in the upper free space 17 of the reinforcement layer 13 and can be varied in size compared to the first antenna layer 10 in order to achieve a changed frequency. Through the interaction of the two antennas formed, a broadband increase can thus be achieved.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

L'invention concerne un ensemble antenne pour un dispositif d'émission et de réception radar. L'invention vise à créer un ensemble antenne à gain élevé nécessitant une dépense relativement faible. A cet effet, l'ensemble antenne selon l'invention comprend une couche de masse (2), au moins une couche d'écartement (5) déposée sur la couche de masse (2), une couche support (8) déposée sur la couche d'écartement (5), ainsi qu'au moins une plaque antenne plane (10) qui est réalisée sur une face (8), orientée vers la couche de masse (2), de la couche support (8) et qui s'étend pratiquement parallèlement à la couche de masse (2).
PCT/DE2002/003213 2001-11-08 2002-08-31 Antenne microruban et son procede de production WO2003041220A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10154839A DE10154839A1 (de) 2001-11-08 2001-11-08 Antennenanordnung für eine Radar-Sende- und Empfangseinrichtung und Verfahren zu ihrer Herstellung
DE10154839.1 2001-11-08

Publications (1)

Publication Number Publication Date
WO2003041220A1 true WO2003041220A1 (fr) 2003-05-15

Family

ID=7705020

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/003213 WO2003041220A1 (fr) 2001-11-08 2002-08-31 Antenne microruban et son procede de production

Country Status (2)

Country Link
DE (1) DE10154839A1 (fr)
WO (1) WO2003041220A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005043675A1 (fr) * 2003-10-27 2005-05-12 Robert Bosch Gmbh Ensemble antenne en particulier pour applications radar dans des vehicules automobiles

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004020684A1 (de) * 2004-04-28 2005-11-24 Robert Bosch Gmbh Sende- und Empfangseinrichtung für elektromagnetische Strahlung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63258102A (ja) * 1987-04-15 1988-10-25 Matsushita Electric Works Ltd 平面アンテナ
JPH10190351A (ja) * 1996-12-25 1998-07-21 Mitsubishi Electric Corp ミリ波帯平面アンテナ
US5859614A (en) * 1996-05-15 1999-01-12 The United States Of America As Represented By The Secretary Of The Army Low-loss aperture-coupled planar antenna for microwave applications
WO1999066594A1 (fr) * 1998-06-12 1999-12-23 Kunjie Zhuang Element d'antenne en reseau microbande a large gamme de frequences
US6091373A (en) * 1990-10-18 2000-07-18 Alcatel Espace Feed device for a radiating element operating in dual polarization
DE19859999C1 (de) * 1998-12-23 2000-08-31 Siemens Ag Einparkhilfe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63258102A (ja) * 1987-04-15 1988-10-25 Matsushita Electric Works Ltd 平面アンテナ
US6091373A (en) * 1990-10-18 2000-07-18 Alcatel Espace Feed device for a radiating element operating in dual polarization
US5859614A (en) * 1996-05-15 1999-01-12 The United States Of America As Represented By The Secretary Of The Army Low-loss aperture-coupled planar antenna for microwave applications
JPH10190351A (ja) * 1996-12-25 1998-07-21 Mitsubishi Electric Corp ミリ波帯平面アンテナ
WO1999066594A1 (fr) * 1998-06-12 1999-12-23 Kunjie Zhuang Element d'antenne en reseau microbande a large gamme de frequences
DE19859999C1 (de) * 1998-12-23 2000-08-31 Siemens Ag Einparkhilfe

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 078 (E - 718) 22 February 1989 (1989-02-22) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 12 31 October 1998 (1998-10-31) *
STOTZ M ET AL: "PLANAR MILLIMETER-WAVE ANTENNAS USING SIN -MEMBRANES ON GAAS", IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, IEEE INC. NEW YORK, US, vol. 44, no. 9, 1 September 1996 (1996-09-01), pages 1593 - 1595, XP000624122, ISSN: 0018-9480 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005043675A1 (fr) * 2003-10-27 2005-05-12 Robert Bosch Gmbh Ensemble antenne en particulier pour applications radar dans des vehicules automobiles
US7696938B2 (en) 2003-10-27 2010-04-13 Robert Bosch Gmbh Antenna system, particularly for radar applications in motor vehicles

Also Published As

Publication number Publication date
DE10154839A1 (de) 2003-05-22

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