201036251 六、發明說明: 【發明所屬之技術領域】 陶瓷基板 、後端面 有效利用 本發明關於-種陶£晶片型天線,其係利用 之上、下表面空間,將第-表面之金屬電極與前 電極電氣連接而延長電流路徑,並藉耦合金屬對 陶瓷基板之介質效應達成降頻目的。 【先前技術】 ❹ Ο 天線係為無線通訊產品所必備的元件之—,現人無 通訊產品在研發過程中,往往 7 晋承尺寸牝輕溥短小,故天 線尺寸勢必也隨之縮小化,遂 、化4有廠商研發出晶片型天線以 + & /、里化需求,晶片型天線並盘^ ^ ^ ^ ^ ^ ^ ^ 〇衣面黏者技術結合降低 、.且扃成本,有利於通訊產品後端的製程整合。 習知技術中為了同時兼顧維持電流路徑長度及尺寸小 以低溫共燒陶究技術製作出複層堆疊的積層陶曼 ,、中各層結構分別設有金屬@ in· ^ , 勒#、 又,I屬線奴,再於相鄰層結構 /成連通貫孔以達成不同声問 螺旋狀之電一 Π層間相互的電性連接’從而構成 …然而’上述習知技術之製作方式相當 、1耘時間與步驟,產品良率亦不好掌握。 【發明内容】 Φ夭:鑒於此’本發明之主要目的在於提供-種陶瓷晶片 —一'、.’其無須藉由複層式堆疊結構延長電流路徑,並可 曰σ金屬對有效利用陶瓷基板之介質效應達成降頻目 3 201036251 的0 欲達成上述目的所使用之技術手段,係令該陶莞晶 型天線包含: Μ 淨 一載板’其上設有一金屬接地面並於一角落保 空區; 一天線本體,係設於該載板之淨空區,其包含一陶瓷 基板、一金屬電極及一耦合金屬對,該陶瓷基板具有—前 Ο Ο 端面、一相對於前端面的後端面、一第一表面及一相對於201036251 VI. Description of the Invention: [Technical Fields of the Invention] The ceramic substrate and the rear end face are effectively utilized by the present invention, which utilizes the upper and lower surface spaces to utilize the metal electrodes of the first surface and the front surface. The electrodes are electrically connected to extend the current path, and the frequency effect of the coupling effect of the metal on the ceramic substrate is achieved. [Prior Art] ❹ Ο The antenna system is an essential component of wireless communication products. In the process of research and development, there is no communication product. In the process of development, the size of the antenna is often shortened, so the antenna size is bound to shrink. DRAM 4 has developed a wafer-type antenna to + & /, liquefaction requirements, wafer-type antennas and ^ ^ ^ ^ ^ ^ ^ ^ 〇 面 黏 者 者 者 技术 技术 结合 . . . . . . . . . . . . . . . Process integration at the back end of the product. In the conventional technology, in order to simultaneously maintain the current path length and size, a multi-layer stacked stacked Tauman is produced by a low-temperature co-fired ceramic technology, and each layer structure is respectively provided with metal @in·^, Le#, and, I. The genus slaves, and then the adjacent layer structure / into the through-holes to achieve a different acoustic spiral of electricity, the electrical connection between the layers - thus constitute ... However, the above-mentioned conventional technology is produced in a comparable manner, 1 time With the steps, the product yield is also difficult to master. SUMMARY OF THE INVENTION Φ夭: In view of the present invention, the main object of the present invention is to provide a ceramic wafer-a', which does not need to extend the current path by a multi-layer stack structure, and can effectively utilize the ceramic substrate by the 曰σ metal pair. The media effect achieves the frequency reduction target 3 201036251 0 The technical means used to achieve the above purpose is to make the Tao Wan crystal antenna include: 净 a net carrier plate with a metal ground plane and a corner protection area; An antenna body is disposed in the clearance area of the carrier, and includes a ceramic substrate, a metal electrode and a coupling metal pair, the ceramic substrate has a front end surface, a rear end surface opposite to the front end surface, and a first antenna a surface and a relative to
第表面的第二表面,該前端面及後端面係塗佈電極A 極係設於該陶竟基板之該第一表面上且其兩端: 連接别端面電極及後端面電極;前述耦合金屬對係設於 該陶瓷基板之該第二表面上’該耦合金屬對包含兩形狀互 補之金屬 該兩金屬片分別連接前端面電極及後 極;以及 电 7訊號饋入組件’係設於該金屬接地面與天線本體之 、端連接該天線本體之該前端面電極,另端則 至該金屬接地面。 Μ連接 =陶究晶片型天線之電流路徑係由訊號饋入組件經由 t表面的金屬電極至第二表面之耗合金屬對,構成一約 马四刀之一波長的電流路徑,其 具中苐一表面的金屬電極提 t、主要的電流路徑,而第一 相對…, 第—表面之耦合金屬對形狀互補的 利用能量耦合的方式提供降頻與調整阻抗。 【實施方式】 凊參考第一圖所示,係本發明一 車乂佳貫施例之平面示 4 201036251 意圖,係包含:一载板(10)、一天線本體(20)以及一訊號 饋入組件(3〇)。 爾述載板(10)上設有一金屬接地面(11)並於一角落處 保留一淨空區(12)。 别述天線本體(2〇)係設於該載板(10)之淨空區(12),請 進一步參考第二圖所示,該天線本體(2〇)係包含: 陶瓷基板(21〉,係具有一前端面、一相對於前端面 的後端面 '一第一表面(21〇)及一相對於第一表面(210)的 〇 第二表面(211 ),其中該前端面及後端面皆塗佈電極 (22,23); 一金屬電極(24),係印刷於該陶瓷基板(21)的第一表 面(1〇)上且其兩端分別連接前端面與後端面電極 (22,23) ’本實施例中,該金屬電極(24)係如第三圖所示呈 曲線蜿蜒狀,又其可如第四圖所示,呈直線彎折狀,惟其 形狀並不僅以此兩種形式為限;及a second surface of the first surface, the front end surface and the rear end surface of the coating electrode A are disposed on the first surface of the ceramic substrate and both ends thereof: connecting the other end surface electrode and the rear end surface electrode; Is disposed on the second surface of the ceramic substrate. The coupling metal pair includes two complementary metal shapes. The two metal pieces are respectively connected to the front end surface electrode and the rear pole; and the electric 7 signal feeding component is disposed on the metal connection. The ground and the antenna body are connected to the front end surface electrode of the antenna body, and the other end is connected to the metal ground plane. ΜConnecting = The current path of the wafer-type antenna is formed by the signal feeding component through the metal electrode of the t-surface to the consuming metal pair of the second surface, forming a current path of one wavelength of about four horses, with a middle 苐A surface metal electrode raises t, the main current path, and the first relative ..., the first surface of the coupling metal provides a frequency reduction and adjustment impedance for the complementary shape of the energy coupling. [Embodiment] Referring to the first figure, a plan view of a preferred embodiment of the present invention is shown in FIG. 4 201036251, which is intended to include: a carrier board (10), an antenna body (20), and a signal feed. Component (3〇). The carrier board (10) is provided with a metal ground plane (11) and a clearance area (12) is reserved at a corner. The antenna body (2〇) is disposed in the clearance area (12) of the carrier (10). Please refer to the second figure. The antenna body (2〇) includes: a ceramic substrate (21>, a front end surface, a first end surface (21〇) opposite to the front end surface, and a second surface (211) opposite to the first surface (210), wherein the front end surface and the rear end surface are coated a cloth electrode (22, 23); a metal electrode (24) printed on the first surface (1〇) of the ceramic substrate (21) and having a front end surface and a rear end surface electrode (22, 23) respectively connected at both ends thereof In the present embodiment, the metal electrode (24) has a curved shape as shown in the third figure, and can be bent in a straight line as shown in the fourth figure, but the shape is not only in two forms. Limited to; and
一耦合金屬對(25),係設於陶瓷基板(21)的第二表面 (211)上,該耦合金屬對(25)包含兩形狀互補之金層片 (25a)(25b),該兩金屬片(253)(2叫分別連接前端面及後端 面的電極(22)(23);本實施例中’該兩金u(25a)(25_ 如第五圖所示,分別呈凹字型及互補的凸字型;或者該兩 金屬片(25a)(25b)可如第六圖所示,盆相 : 1 1 兵相對端呈相對互補 的鋸齒狀;或該兩金屬片(25a)(25b)可如第七圖所示,其 相對端呈相對互補的波浪狀;或如第八圖所示,兩金屬片 (25a)(25b)相對端彼此呈水平平行; <是如第九圖所示, 兩金屬片(25a)(25b)相對端彼此呈斜向平行。 5 201036251 則述訊號饋入組件(30)係設於該金屬接地面(彳彳)與天線 ] 其端連接該天線本體(20)之該前端面電極 (22),另端則連接至該金屬接地面(1彳)。 本發明之電流路徑係從訊號饋入組件(30)經由第一表 面(21〇)的金屬電極(24)接續至第二表面(211)之_合金屬 對(25)而構成一約為四分之一波長的電流路徑。 ❹A coupling metal pair (25) is disposed on the second surface (211) of the ceramic substrate (21), and the coupling metal pair (25) comprises two complementary gold layer sheets (25a) (25b), the two metals Piece (253) (2 is called electrode (22) (23) connecting the front end surface and the rear end surface respectively; in the present embodiment, 'the two gold u (25a) (25_ as shown in the fifth figure, respectively, concave type and a complementary embossing type; or the two metal sheets (25a) (25b) may be as shown in the sixth figure, the basin phase: 1 1 the opposite ends of the stern are relatively complementary zigzag; or the two metal sheets (25a) (25b) As shown in the seventh figure, the opposite ends thereof are relatively complementary in wave shape; or as shown in the eighth figure, the opposite ends of the two metal sheets (25a) (25b) are horizontally parallel to each other; < As shown, the opposite ends of the two metal pieces (25a) (25b) are obliquely parallel to each other. 5 201036251 The signal feed component (30) is attached to the metal ground plane (彳彳) and the antenna] The front end surface electrode (22) of the body (20) is connected to the metal ground plane (1彳) at the other end. The current path of the present invention is from the signal feeding component (30) via the first surface (21〇) The metal electrode (24) is connected to the metal-pair (25) of the second surface (211) to form a current path of about a quarter wavelength.
月|J述耦合金屬對(25)係以耦合方式傳遞能量,可有效 降低頻率’請進—步參考第十圖所示,係本發明與一習知 無耦合金屬對之天線以8〇χ1 〇x〇6mm3的氧化鋁基板進 行設計所得出的返回損失圖,其巾A為本發明之返回損失 曲線’ B 4習知無耦合金屬對之天線的返回損失曲線,從 圓中的比較可看出’本發明具有較佳的降頻效率,由於 率與波長呈反比,可增加有效波長,故在相同天線尺寸下, :有㈣合金屬對(25)設計之天線可具有較長之波長,因 化。僅g四分之—波長的前提下’天線尺寸可相對縮小 =發明之天線料料时之—波長之共振機制 =路徑由訊號饋入端經由第一表面之金屬電極至第二表 .A A致約四分之-波長之電流路 二弟一表面之金屬電極形狀提供主要之電流路徑, 表面之梳型結構末“合機制則用以提供降頻與調 【圖式簡單說明】 第一圖:本發明一較佳每 佳3她例之平面示意圖 6 201036251The coupling metal pair (25) transmits energy in a coupled manner, which can effectively reduce the frequency. Please refer to the tenth figure. The antenna of the present invention and a conventional uncoupled metal pair are 8〇χ1. The return loss map obtained by designing the alumina substrate of 〇x〇6mm3, the towel A is the return loss curve of the invention 'B 4 the return loss curve of the antenna without the coupled metal pair, which can be seen from the comparison in the circle The invention has better frequency-reduction efficiency, and since the ratio is inversely proportional to the wavelength, the effective wavelength can be increased. Therefore, in the same antenna size, the antenna having the (tetra) metal pair (25) design can have a longer wavelength. Factorization. Only g-quarters-wavelength premise' antenna size can be relatively reduced = antenna material of the invention - wavelength resonance mechanism = path from the signal feed end through the first surface of the metal electrode to the second table. AA About four-minute-wavelength current path The shape of the metal electrode on the surface of the second brother provides the main current path, and the comb structure at the end of the surface is used to provide the frequency reduction and modulation. [Simplified description of the figure] The first picture: A schematic diagram of a preferred example of the present invention is shown in FIG. 6 201036251
第二圖 第三圖 第四圖 第五圖 第六圖 第七圖 第八圖 第九圖 第十圖 本發明天線本體立體示意圖。 本么月之金屬電極第—實施例之平面圖。 本%明之金屬電極第二實施例之平面圖。 本ι月之耦合金屬對第一實施例之平面圖。 本發月之耦合金屬對第二實施例之平面圖。 本發明之耦合金屬對第三實施例之平面圖。 本發月之輕合金屬對第四實施例之平面圖。 本發明之耦合金屬對第五實施例之平面圖。 本發明與習知天線設計之返回損失比較圖。 Ο 【主要元件符號說明】 (1〇)載板 (12)淨空區 (21)陶瓷基板 (211)第二表面 (24)金屬電極 (25a)(25b)金屬片 (30)訊號饋入組件 (11)金屬接地面 (20)天線本體 (210)第一表面 (22,23)電極 (25)耦合金屬對 7The second figure The third figure The fourth figure The fifth figure The sixth figure The seventh figure The eighth figure The ninth figure The tenth figure The three-dimensional diagram of the antenna body of the present invention. A plan view of the metal electrode of the present month. A plan view of a second embodiment of the metal electrode of the present invention. A plan view of the first embodiment of the coupling metal of the present month. A plan view of the coupling metal of the present month versus the second embodiment. A plan view of a coupling metal of the present invention versus a third embodiment. A plan view of the fourth embodiment of the present invention. A plan view of a coupling metal of the present invention versus a fifth embodiment. A comparison of the return losses of the present invention with conventional antenna designs. Ο [Main component symbol description] (1〇) carrier board (12) clearance area (21) ceramic substrate (211) second surface (24) metal electrode (25a) (25b) metal piece (30) signal feeding component ( 11) Metal ground plane (20) Antenna body (210) First surface (22, 23) Electrode (25) Coupling metal pair 7