TWI741523B - Electronic tag - Google Patents

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TWI741523B
TWI741523B TW109107552A TW109107552A TWI741523B TW I741523 B TWI741523 B TW I741523B TW 109107552 A TW109107552 A TW 109107552A TW 109107552 A TW109107552 A TW 109107552A TW I741523 B TWI741523 B TW I741523B
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front antenna
electronic tag
center line
antenna structure
different
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TW109107552A
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TW202134951A (en
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吳忠潔
陳聲鏗
何彥鴻
丁祖恩
陳育煒
劉侑樵
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遠創智慧股份有限公司
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Abstract

An electronic tag is provided. The electronic tag includes a substrate, an integrated circuit, and a front antenna. The substrate includes a front face and a rear face disposed in opposite sides, wherein the front face includes a central line. The integrated circuit is disposed on the front face. The front antenna is disposed on the front face and coupled to the integrated circuit, wherein the front antenna is asymmetry with respect to the central line.

Description

電子標籤electronic label

本發明係關於一種電子標籤。更具體而言,本發明是關於一種無線設頻標籤。 The invention relates to an electronic tag. More specifically, the present invention relates to a wireless frequency setting tag.

為了降低道路收費的整體成本、提供具有可接受的可靠度、增加資料品質、以及減少在收費區域的交通阻塞、空氣污染和能源損耗,電子收費系統在許多高速公路上被使用。 In order to reduce the overall cost of road tolling, provide acceptable reliability, increase data quality, and reduce traffic congestion, air pollution and energy consumption in toll areas, electronic toll collection systems are used on many highways.

基於良好的防偽效果,電子標籤感應技術廣泛應用於電子收費系統,而電子標籤的效能則直接影響到電子收費系統諸如(訊號)整體的效率以及可靠度。其中,讀取距離以及主波束角度等特性,更是評量電子標籤效能的指標。因此,如何有效增加讀取距離以及改變主波束角度,即成為待研究之課題。 Based on good anti-counterfeiting effects, electronic tag sensing technology is widely used in electronic toll collection systems, and the performance of electronic tags directly affects the overall efficiency and reliability of the electronic toll system such as (signal). Among them, the characteristics of reading distance and main beam angle are also indicators for evaluating the performance of electronic tags. Therefore, how to effectively increase the reading distance and change the main beam angle is a topic to be studied.

本發明之主要目的在於提供一種電子標籤,具有較佳的效能。 The main purpose of the present invention is to provide an electronic tag with better performance.

本發明之電子標籤包含基板、積體電路、以及正面天線。基板包含位於相反側之正面及反面,正面具有中心線,中心線垂直於基板之長軸。積 體電路設置於正面之中心線上。正面天線設置於正面,且與積體電路耦接,正面天線相對於中心線為不對稱。並且,中心線上有設置正面天線的部分小於未設置正面天線的部分。 The electronic tag of the present invention includes a substrate, an integrated circuit, and a front antenna. The substrate includes a front surface and a back surface on opposite sides. The front surface has a center line, and the center line is perpendicular to the long axis of the substrate. product The body circuit is arranged on the center line of the front surface. The front antenna is arranged on the front and coupled to the integrated circuit, and the front antenna is asymmetric with respect to the center line. In addition, the part on the center line where the front antenna is provided is smaller than the part where the front antenna is not provided.

在本發明的一實施例中,正面天線相對於中心線兩側之結構之形狀不同。 In an embodiment of the present invention, the shape of the structure on both sides of the front antenna relative to the center line is different.

在本發明的一實施例中,正面天線相對於中心線兩側之面積不同。 In an embodiment of the present invention, the area of the front antenna relative to the two sides of the center line is different.

在本發明的一實施例中,正面天線相對於中心線兩側之材質不同。 In an embodiment of the present invention, the material of the front antenna is different from the two sides of the center line.

在本發明的一實施例中,正面天線設置於正面,且與積體電路耦接。正面天線包含第一正面天線結構以及第二正面天線結構,第一正面天線結構設置於中心線之一側,第二正面天線結構設置於中心線相對於第一正面天線結構之另一側,與第一正面天線結構耦接且不對稱。 In an embodiment of the present invention, the front antenna is disposed on the front and coupled to the integrated circuit. The front antenna includes a first front antenna structure and a second front antenna structure. The first front antenna structure is disposed on one side of the center line, and the second front antenna structure is disposed on the other side of the center line relative to the first front antenna structure, and The first front antenna structure is coupled and asymmetrical.

在本發明的一實施例中,第一正面天線結構與第二正面天線結構之形狀不同。 In an embodiment of the present invention, the shape of the first front antenna structure and the second front antenna structure are different.

在本發明的一實施例中,第一正面天線結構與第二正面天線結構之面積不同。 In an embodiment of the present invention, the area of the first front antenna structure is different from that of the second front antenna structure.

在本發明的一實施例中,第一正面天線結構與第二正面天線結構之材質不同。 In an embodiment of the present invention, the materials of the first front antenna structure and the second front antenna structure are different.

在本發明的一實施例中,基板之材料為聚亞醯胺(Polyimide,PI)。 In an embodiment of the present invention, the material of the substrate is Polyimide (PI).

在本發明的一實施例中,電子標籤進一步包含金屬層設置於背面。 In an embodiment of the present invention, the electronic tag further includes a metal layer disposed on the back surface.

10:基板 10: substrate

20:積體電路 20: Integrated circuit

30:正面天線 30: Front antenna

90:電子收費無線射頻標籤 90: Electronic toll radio frequency tag

100:基板 100: substrate

110:正面 110: positive

111:中心線 111: Centerline

120:反面 120: reverse

200:積體電路 200: Integrated circuit

300:正面天線 300: Front antenna

310:第一正面天線結構 310: The first front antenna structure

320:第二正面天線結構 320: The second front antenna structure

400:金屬層 400: Metal layer

900:電子標籤 900: Electronic label

圖1A及1B分別為本發明電子標籤第一實施例的仰視圖及前視圖。 1A and 1B are respectively a bottom view and a front view of the first embodiment of the electronic tag of the present invention.

圖2A、2B、2C分別是本發明電子標籤第二實施例的俯視圖、前視圖、後視圖。 2A, 2B, and 2C are respectively a top view, a front view, and a rear view of the second embodiment of the electronic tag of the present invention.

圖3A、3B、3C分別是本發明電子標籤第三實施例的俯視圖、前視圖、後視圖。 3A, 3B, and 3C are respectively a top view, a front view, and a rear view of the third embodiment of the electronic tag of the present invention.

圖4A及圖4B分別是比較例的俯視圖及前視圖。 4A and 4B are a plan view and a front view of a comparative example, respectively.

圖5是本發明電子標籤第一實施例與比較例的前方理論讀取距離模擬結果圖。 Fig. 5 is a diagram showing the simulation results of the theoretical front reading distance of the first embodiment of the electronic tag of the present invention and the comparative example.

圖6是本發明電子標籤第二實施例與比較例的前方理論讀取距離模擬結果圖。 Fig. 6 is a diagram showing the simulation results of the theoretical front reading distance of the second embodiment of the electronic tag of the present invention and the comparative example.

圖7是本發明電子標籤第三實施例與比較例的前方理論讀取距離模擬結果圖。 FIG. 7 is a diagram showing the simulation results of the theoretical front reading distance of the third embodiment of the electronic tag of the present invention and the comparative example.

本發明之電子標籤較佳是供與車輛配合使用的無線設頻標籤(Radio Frequency Identification Tag,RFID-Tag),然而在不同實施例中,電子標籤可用於電子裝置、書籍、箱體或其他物件。 The electronic tag of the present invention is preferably a radio frequency identification tag (RFID-Tag) for use with vehicles. However, in different embodiments, the electronic tag can be used for electronic devices, books, boxes or other objects .

如圖1A及圖1B所示本發明第一實施例的仰視圖及前視圖,電子標籤900包含基板100、積體電路200、以及正面天線300。基板100包含位於相反側之正面110及反面120,正面110具有中心線111。其中,基板100較佳為矩形,且 更佳為長方形。中心線111為人為定義的位於正面110中央且將正面110區分為兩對稱區域的線。基板100之材料較佳選自包含聚亞醯胺(Polyimide,PI)等有利於電偶合者。積體電路200設置於正面110,且可進一步位於中心線111上。更具體而言,積體電路200可以為晶片。 As shown in FIG. 1A and FIG. 1B, the bottom view and the front view of the first embodiment of the present invention, the electronic tag 900 includes a substrate 100, an integrated circuit 200, and a front antenna 300. The substrate 100 includes a front surface 110 and a back surface 120 located on opposite sides, and the front surface 110 has a center line 111. Among them, the substrate 100 is preferably rectangular, and It is more preferably rectangular. The center line 111 is an artificially defined line located in the center of the front surface 110 and dividing the front surface 110 into two symmetrical areas. The material of the substrate 100 is preferably selected from those that include polyimide (PI) and the like that facilitate electrical coupling. The integrated circuit 200 is disposed on the front surface 110 and can be further located on the center line 111. More specifically, the integrated circuit 200 may be a wafer.

如圖1A及圖1B所示之第一實施例,正面天線300設置於正面110,且與積體電路200耦接,正面天線300相對於中心線111為不對稱。並且,中心線111上有設置正面天線300的部分小於未設置正面天線300的部分。其中,所述不對稱泛指例如正面天線300相對於中心線111兩側之結構之形狀不同、面積不同、材質不同等。換言之,可利用改變形狀、調整面積、使用不同材料等手段,使正面天線300相對於中心線111之兩側為不同。正面天線300之材料較佳選自包含銅、金、銀、鋁等金屬或合金。 In the first embodiment shown in FIGS. 1A and 1B, the front antenna 300 is disposed on the front 110 and coupled to the integrated circuit 200, and the front antenna 300 is asymmetrical with respect to the center line 111. In addition, the portion on the center line 111 where the front antenna 300 is provided is smaller than the portion where the front antenna 300 is not provided. Wherein, the asymmetry generally refers to, for example, that the front antenna 300 has different shapes, different areas, and different materials on the two sides of the center line 111. In other words, it is possible to change the shape, adjust the area, use different materials, etc., to make the front antenna 300 different from the two sides of the center line 111. The material of the front antenna 300 is preferably selected from metals or alloys including copper, gold, silver, aluminum and the like.

以不同角度觀之,正面天線300包含第一正面天線結構310以及第二正面天線結構320,第一正面天線結構310設置於中心線111之一側,第二正面天線結構320設置於中心線111相對於第一正面天線結構310之另一側,與第一正面天線結構310耦接且不對稱。基於上述,所稱不對稱包含例如第一正面天線結構310與第二正面天線結構320之形狀不同、第一正面天線結構310與第二正面天線結構320之面積不同、第一正面天線結構310與第二正面天線結構320之材質不同等。 Viewed from different angles, the front antenna 300 includes a first front antenna structure 310 and a second front antenna structure 320. The first front antenna structure 310 is disposed on one side of the center line 111, and the second front antenna structure 320 is disposed on the center line 111. Relative to the other side of the first front antenna structure 310, it is coupled to the first front antenna structure 310 and is asymmetrical. Based on the above, the term asymmetry includes, for example, the different shapes of the first front antenna structure 310 and the second front antenna structure 320, the different areas of the first front antenna structure 310 and the second front antenna structure 320, and the first front antenna structure 310 and the second front antenna structure 320. The material of the second front antenna structure 320 is different.

如圖2A至3C所示,在不同實施例中,電子標籤900可進一步包含金屬層400設置於背面120,供調整電子標籤900之主波束角度。金屬層400之材料較佳選自包含銅、金、銀、鋁等金屬或合金。其中,圖2A、2B、2C分別是第二實施例的俯視圖、前視圖、後視圖,圖3A、3B、3C分別是第三實施例的俯視 圖、前視圖、後視圖。另一方面,如圖4A及圖4B所示比較例的俯視圖及前視圖,其中比較例為已商品化的遠通電收股份有限公司產品編號為RF122的電子收費無線射頻標籤90,包含基板10、積體電路20、以及正面天線30。 As shown in FIGS. 2A to 3C, in different embodiments, the electronic tag 900 may further include a metal layer 400 disposed on the back 120 for adjusting the main beam angle of the electronic tag 900. The material of the metal layer 400 is preferably selected from metals or alloys including copper, gold, silver, aluminum and the like. 2A, 2B, and 2C are a plan view, a front view, and a rear view of the second embodiment, respectively, and Figs. 3A, 3B, and 3C are respectively a plan view of the third embodiment. Figure, front view, back view. On the other hand, as shown in Fig. 4A and Fig. 4B, the top view and front view of the comparative example, where the comparative example is a commercialized Yuantong Electronic Collection Co., Ltd. product number RF122 electronic toll radio frequency tag 90, including the substrate 10, Integrated circuit 20, and front antenna 30.

以下使用ANSYS HFSS(美國)軟體針對比較例、第一實施例、第二實施例、第三實施例進行位於925MHz頻率點的模擬測試。如圖5至圖7所示,與比較例相比,第一實施例、第二實施例、及第三實施例位於925MHz頻率點的讀取距離均較長。據此,本發明之電子標籤具有較佳的效能。進一步而言,本發明電子標籤可透過正面天線適當的不對稱結構設計,增加位於特定頻率點的讀取距離,從而提升效能。 The following uses ANSYS HFSS (U.S.) software to perform simulation tests at the 925MHz frequency for the comparative example, the first embodiment, the second embodiment, and the third embodiment. As shown in FIGS. 5 to 7, compared with the comparative example, the reading distances of the first embodiment, the second embodiment, and the third embodiment at the 925 MHz frequency point are all longer. Accordingly, the electronic tag of the present invention has better performance. Furthermore, the electronic tag of the present invention can increase the reading distance at a specific frequency point through the proper asymmetric structure design of the front antenna, thereby improving performance.

雖然前述的描述及圖式已揭示本發明之較佳實施例,必須瞭解到各種增添、許多修改和取代可能使用於本發明較佳實施例,而不會脫離如所附申請專利範圍所界定的本發明原理之精神及範圍。熟悉本發明所屬技術領域之一般技藝者將可體會,本發明可使用於許多形式、結構、佈置、比例、材料、元件和組件的修改。因此,本文於此所揭示的實施例應被視為用以說明本發明,而非用以限制本發明。本發明的範圍應由後附申請專利範圍所界定,並涵蓋其合法均等物,並不限於先前的描述。 Although the foregoing description and drawings have disclosed the preferred embodiments of the present invention, it must be understood that various additions, many modifications and substitutions may be used in the preferred embodiments of the present invention without departing from the scope of the attached patent application. The spirit and scope of the principles of the present invention. Those skilled in the art familiar with the technical field of the present invention will appreciate that the present invention can be used in many forms, structures, arrangements, proportions, materials, elements, and component modifications. Therefore, the embodiments disclosed herein should be considered to illustrate the present invention, rather than to limit the present invention. The scope of the present invention should be defined by the scope of the attached patent application, and cover its legal equivalents, and is not limited to the previous description.

100基板 110正面 111中心線 200積體電路 300正面天線 310第一正面天線結構 320第二正面天線結構 900電子標籤 100 substrates 110 positive 111 centerline 200 integrated circuit 300 front antenna 310 first front antenna structure 320 second front antenna structure 900 electronic label

Claims (10)

一種電子標籤,包含:一基板,包含位於相反側之一正面及一反面,該正面具有一中心線,該中心線垂直於該基板之長軸;一積體電路,設置於該正面之該中心線上;以及一正面天線,設置於該正面,且與該積體電路耦接,該正面天線相對於該中心線為不對稱;並且,該中心線上有設置該正面天線的部分小於未設置該正面天線的部分。 An electronic tag comprising: a substrate including a front surface and a back surface on opposite sides, the front surface having a center line perpendicular to the long axis of the substrate; and an integrated circuit arranged at the center of the front surface And a front antenna, which is arranged on the front surface and is coupled to the integrated circuit, the front antenna is asymmetrical with respect to the center line; and, the part on the center line where the front antenna is arranged is smaller than the part where the front antenna is not arranged The part of the antenna. 如請求項1所述之電子標籤,其中該正面天線相對於該中心線兩側之結構之形狀不同。 The electronic tag according to claim 1, wherein the shape of the structure on both sides of the front antenna with respect to the center line is different. 如請求項1所述之電子標籤,其中該正面天線相對於該中心線兩側之面積不同。 The electronic tag according to claim 1, wherein the area of the front antenna is different with respect to both sides of the center line. 如請求項1所述之電子標籤,其中該正面天線相對於該中心線兩側之材質不同。 The electronic tag according to claim 1, wherein the material of the front antenna is different from the two sides of the center line. 一種電子標籤,包含:一基板,包含位於相反側之一正面及一反面,該正面具有一中心線,該中心線垂直於該基板之長軸;一積體電路,設置於該正面之該中心線上;以及一正面天線,設置於該正面,且與該積體電路耦接,該正面天線包含:一第一正面天線結構,設置於該中心線之一側;一第二正面天線結構,設置於該中心線相對於該第一正面天線結構之另一側,與該第一正面天線結構耦接且不對稱; 並且,該中心線上有設置該正面天線的部分小於未設置該正面天線的部分。 An electronic tag comprising: a substrate including a front surface and a back surface on opposite sides, the front surface having a center line perpendicular to the long axis of the substrate; and an integrated circuit arranged at the center of the front surface Line; and a front antenna, which is disposed on the front surface and coupled to the integrated circuit, the front antenna includes: a first front antenna structure disposed on one side of the center line; and a second front antenna structure disposed On the other side of the center line opposite to the first front antenna structure, it is coupled to the first front antenna structure and is asymmetrical; In addition, the part on the center line where the front antenna is arranged is smaller than the part where the front antenna is not arranged. 如請求項5所述之電子標籤,其中該第一正面天線結構與該第二正面天線結構之形狀不同。 The electronic tag according to claim 5, wherein the shape of the first front antenna structure and the second front antenna structure are different. 如請求項5所述之電子標籤,其中該第一正面天線結構與該第二正面天線結構之面積不同。 The electronic tag according to claim 5, wherein the area of the first front antenna structure is different from that of the second front antenna structure. 如請求項5所述之電子標籤,其中該第一正面天線結構與該第二正面天線結構之材質不同。 The electronic tag according to claim 5, wherein the materials of the first front antenna structure and the second front antenna structure are different. 如請求項1或5所述之電子標籤,其中該基板之材料為聚亞醯胺(Polyimide,PI)。 The electronic tag according to claim 1 or 5, wherein the material of the substrate is Polyimide (PI). 如請求項1或5所述之電子標籤,進一步包含一金屬層設置於該背面。 The electronic label according to claim 1 or 5, further comprising a metal layer disposed on the back surface.
TW109107552A 2020-03-06 2020-03-06 Electronic tag TWI741523B (en)

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Publication number Priority date Publication date Assignee Title
CN102437421A (en) * 2011-09-07 2012-05-02 北京邮电大学 Anti-metal tag antenna applied in RFID (radio frequency identification device) system on UHF (ultra high frequency) band
TW201911645A (en) * 2017-08-10 2019-03-16 台揚科技股份有限公司 Antenna apparatus and circuit board thereof
CN208705922U (en) * 2018-10-26 2019-04-05 上扬无线射频科技扬州有限公司 Omnidirectional's anti-medium RFID label tag

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102437421A (en) * 2011-09-07 2012-05-02 北京邮电大学 Anti-metal tag antenna applied in RFID (radio frequency identification device) system on UHF (ultra high frequency) band
TW201911645A (en) * 2017-08-10 2019-03-16 台揚科技股份有限公司 Antenna apparatus and circuit board thereof
CN208705922U (en) * 2018-10-26 2019-04-05 上扬无线射频科技扬州有限公司 Omnidirectional's anti-medium RFID label tag

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