201222560 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明係關於一種線纜及其製造方法，尤指一種具有屏 蔽功能的線纜及其製造方法。 【先前技術】 [0002] 習知技術中，一般用於傳輸信號的線纜包括由内向外設 置的複數橫向排列的信號導線、圍繞於複數信號導線外 的金屬遮蔽層及圍繞於金屬遮蔽層外的絕緣外被層，然 而有時線纜内部的金屬遮蔽層不能完全遮蔽信號導線時 〇 ，此時線纜的信號傳輸容易受到外界的電磁干擾。 [0003] 是以，需要一種改進的線纜以彌補先前技術中之上述缺 陷。 【發明内容】 [0004] 本發明之主要目的在於提供一種具有熱縮套管的線纜， 該線緵具有良好的防EMI效果。 [0005] 本發明之目的係藉以如下技術方案達成的：一種線纜， 0 包括：一對橫向排列的差分信號導線、未完全包覆一對 信號導線的金屬遮蔽層、未完全包覆於金屬遮蔽層的絕 緣外被層，所述線纜還包括套設於線纜前端的熱縮套管 ，所述熱縮套管的内侧為與線纜前端外表面接觸的熱溶 膠層，所述熱溶膠層内設有由複數聚集在一起的由磁性 材料顆粒組成的磁性材料層，所述磁性材料層包覆於線 纜前端的外圍。 [0006] 本發明之另一主要目的在於提供一種套設於線纜外圍的 099140327 表單編號A0101 第3頁/共16頁 0992070248-0 201222560 熱縮套管，該熱縮套管具有屏蔽功能。 [0007] 本發明之目的係藉以如下技術方案達成的：一種具有屏 蔽功能的熱縮套管，所述熱縮套管的内側為熱溶膠層， 所述熱溶膠層内設有複數分散的磁性材料顆粒，當所述 熱縮套管受熱收縮時，所述磁性材料顆粒聚集在一起而 形成一磁性材料層。 [0008] 本發明之另一主要目的在於提供一種具有熱縮套管的線 纜製造方法。 [0009] 本發明之目的係藉以如下技術方案達成的：一種線纜的 製造方法，其包括如下步驟：提供一種線纜，該線纜包 括一對信號線、包覆於所述信號線外的金屬遮蔽層及包 覆於金屬遮蔽層外的絕緣外被層，所述一對信號線的一 部分露出於金屬遮蔽層，所述金屬遮蔽層的一部分露出 於絕緣外被層；將預先製作好的熱縮套管套設於露出於 金屬遮蔽層的一部分信號導線的外圍和露出於絕緣外被 層外的一部分金屬遮蔽層的外圍，所述熱縮套管包括位 於其内側的熱溶膠層及位於其外侧的絕緣層，所述熱溶 膠層内設有複數分散的磁性材料顆粒；熱烘熱縮套管， 所述熱縮套管收縮並粘貼於線纜的外圍，所述磁性材料 顆粒聚集在一起並形成一圍在線纜外圍的磁性材料層。 [0010] 相較於習知技術，本發明具有如下功效：由於套設於線 纜外圍的熱縮套管具有屏蔽作用，如此，線纜本身内部 的金屬遮蔽層達不到完全遮蔽的目的時，熱縮套管可以 彌補上述缺陷使線纜的具有良好的防EMI效果。 099140327 表單編號A0101 第4頁/共16頁 0992070248-0 201222560 【實施方式】 [0011] 請參閱第一圖至第三圖，本發明線纜1包括一對橫向排列 的差分信號導線11、一接地導線12、包覆於一對信號導 線11及接地導線12外的金屬遮蔽層13及包覆於金屬遮蔽 層13外的絕緣外被層14。線纜1還包括套設於線纜1前端 的套管15。每根信號導線11包括一導體in及包覆於導體 111外的絕緣體112。線纜1的前端是指露出於金屬遮蔽層 13的信號導線11、露出於絕緣外被層14的金屬遮蔽層13 及絕緣外被層14的前端。 〇 [0012] 請參閱第二圖，金屬遮蔽層13未完全遮蔽一對差分信號 導線12 ’該對差分信號導線12的一端露出於金屬遮蔽層 13外，絕緣外被層14也未完全遮蔽金屬遮蔽層13，金屬 遮蔽層13的一端露出於絕緣外被層丨4外《金屬遮蔽層13 為一銘箔層或由其他金屬材質所製成的遮蔽層。 [0013] ❹ 請參閱第三圖及第五圖，熱縮套管15呈圓管狀，熱縮套 管15具有屏蔽功能。該熱縮套管15包括一内層及一外層 ’其内層為一經複合加工而成的熱溶膠層151，且該熱溶 朦層151内滲透有分散的複數磁性材料顆粒152。熱縮套 官1 5的外層為一絕緣層153，該絕緣層可以是交聯聚烯烴 材料°需要說明的是’當熱縮套管15受熱收縮後，磁性 材料顆粒152不會收縮，如此，磁性材料顆粒152會因熱 縮套管15的收縮而聚集在一起而形成了磁性材料層154。 熱縮套管15的内徑在受熱收縮之前較線纜〗的外徑大，如 此熱縮套管15可以套設到線纜丨一部分的外圍。複數磁性 材料顆粒152在熱溶膠的製作過程中加入。 099140327 表單編號A0101 第5頁/共16頁 0992070248-0 201222560 [0014] [0015] [0016] [0017] 請參閱第一圖至第三圖，熱縮套管15可通過以下步驟組 裝至線纜1的外圍。首先，將預先成型好的熱縮套管15套 設至需要遮蔽的一部分線纜1的外圍；然後對熱縮套管15 進行熱烘加熱，熱縮套管1 5收縮後緊貼於線纜1的外圍（ 即露出於金屬遮蔽層13外的信號導線11絕緣體丨丨2一部分 的外圍、露出於絕緣外被層14外的金屬遮蔽層丨3一部分 的外圍和絕緣外被層14一部分的外圍）；待熱縮套管15 冷卻後’熱縮套管15通過熱溶膠層151粘貼至線纜丨的外 圍。通過上述步驟，熱縮套管15組裝至線纜丨的外圍，具 有屏蔽功能且能夠吸收高周波的線纜1就製造完成了。由 於熱縮套管15的内部具有由複數磁性材料顆粒152組成的 磁性材料層154，如此，熱縮套管丨5具有屏蔽作用而防止 線纜1在信號傳輸時受到外界的電磁干擾同時也能吸收線 纜1外圍的高周波。 請參閱第六圖，組裝有熱縮套管15的線纜丨連接至電連接 器2上。需要說明的是圖中顯示的只是線纜1的一個應用 環境’線纜1還可以用在其他率境。 相對於習知技術，本發明線縵丨外套設一個具有屏蔽功能 的熱縮套管15，如此就更能有效的提高線規1的防⑽I性 能0 綜上所述，本發明符合發明專利要件，爰依法提出專利 申印。惟以上所述者僅為本發明之較佳實施例，本發明 之範圍並不以上述實施例為限，舉凡熟習本案技藝之人 士援依本發明之精神所作之等效修飾或變化，皆應涵蓋 於以下申請專利範圍内。 099140327 表單編號A0101 第6頁/共16頁 0992070248-0 201222560 【圖式簡單說明】 [0018] 第一圖係本發明線纜之立體組合圖。 [0019] 第二圖係第一圖所示之線纜未組裝熱縮套管之立體視圖 〇 [0020] 第三圖係第一圖所示之線纜上的熱縮套管套設於線纜並 未完全組裝於線纜的立體視圖。 [0021] 第四圖係本發明線纜上的熱縮套管之剖視圖。 [0022] 〇 第五圖係本發明線纜上的熱縮套管加熱後之剖視圖。 [0023] 第六圖係本發明線纜與連接器連接之立體視圖。 【主要元件符號說明】 [0024] 線纜：1 [0025] 差分信號導線.11 [0026] 接地導線：12 [0027] 金屬遮蔽層：13 ❹[0028] 絕緣外被層：14 [0029] 熱縮套管：15 [0030] 導體：111 [0031] 絕緣體：112 [0032] 熱溶膠層：151 [0033] 磁性材料顆粒：152 [0034] 絕緣層：153 099140327 表單編號A0101 第7頁/共16頁 0992070248-0 201222560 ：154 [0035] 磁性材料層 099140327 表單編號A0101 第8頁/共16頁 0992070248-0201222560 VI. Description of the Invention: [Technical Field] The present invention relates to a cable and a method of manufacturing the same, and more particularly to a cable having a shielding function and a method of manufacturing the same. [Prior Art] [0002] In the prior art, a cable generally used for transmitting signals includes a plurality of laterally arranged signal wires disposed from the inside to the outside, a metal shielding layer surrounding the plurality of signal wires, and surrounding the metal shielding layer. The insulating outer layer, however, sometimes the metal shielding layer inside the cable cannot completely shield the signal wire, and the signal transmission of the cable is susceptible to external electromagnetic interference. [0003] Therefore, there is a need for an improved cable to compensate for the above-mentioned drawbacks of the prior art. SUMMARY OF THE INVENTION [0004] A main object of the present invention is to provide a cable having a heat shrinkable sleeve, which has a good anti-EMI effect. [0005] The object of the present invention is achieved by the following technical solution: a cable, 0 includes: a pair of laterally arranged differential signal wires, a metal shielding layer not completely covering a pair of signal wires, not completely covered with metal An insulating outer layer of the shielding layer, the cable further comprising a heat shrinkable sleeve sleeved on the front end of the cable, the inner side of the heat shrinkable sleeve being a hot melt layer in contact with the outer surface of the front end of the cable, the heat The sol layer is provided with a magnetic material layer composed of a plurality of magnetic material particles which are gathered together, and the magnetic material layer is coated on the periphery of the front end of the cable. Another main object of the present invention is to provide a heat shrinkable sleeve which has a shielding function, which is provided on the periphery of a cable. 099140327 Form No. A0101 Page 3 of 16 0992070248-0 201222560. [0007] The object of the present invention is achieved by the following technical solution: a heat shrinkable sleeve having a shielding function, the inner side of the heat shrinkable sleeve is a hot melt layer, and the hot melt layer is provided with a plurality of dispersed magnetic properties. The material particles, when the heat shrinkable sleeve is contracted by heat, the magnetic material particles are gathered together to form a magnetic material layer. Another main object of the present invention is to provide a cable manufacturing method having a heat shrinkable sleeve. [0009] The object of the present invention is achieved by the following technical solution: a method for manufacturing a cable, comprising the steps of: providing a cable, the cable comprising a pair of signal lines, and covering the signal line a metal shielding layer and an insulating outer layer covering the metal shielding layer, a part of the pair of signal lines is exposed to the metal shielding layer, and a part of the metal shielding layer is exposed to the insulating outer layer; The heat shrinkable sleeve is sleeved on a periphery of a portion of the signal wires exposed to the metal shielding layer and a portion of the metal shielding layer exposed outside the insulating outer layer, the heat shrinkable sleeve including a hot melt layer on the inner side thereof An outer insulating layer, wherein the hot sol layer is provided with a plurality of dispersed magnetic material particles; a heat-shrinkable heat-shrinkable sleeve shrinks and adheres to a periphery of the cable, and the magnetic material particles are gathered Together, a layer of magnetic material is formed around the periphery of the cable. [0010] Compared with the prior art, the present invention has the following effects: since the heat shrinkable sleeve sleeved on the periphery of the cable has a shielding effect, when the metal shielding layer inside the cable itself does not achieve the purpose of complete shielding The heat shrinkable sleeve can make up for the above defects so that the cable has a good anti-EMI effect. 099140327 Form No. A0101 Page 4 / Total 16 Page 0992070248-0 201222560 [Embodiment] [0011] Referring to the first to third figures, the cable 1 of the present invention comprises a pair of laterally arranged differential signal conductors 11, a grounding The wire 12 is covered with a metal shielding layer 13 outside the pair of signal wires 11 and the grounding wires 12 and an insulating outer layer 14 covering the metal shielding layer 13 . The cable 1 also includes a sleeve 15 that is sleeved on the front end of the cable 1. Each signal conductor 11 includes a conductor in and an insulator 112 that is wrapped around the conductor 111. The front end of the cable 1 is the signal lead 11 exposed to the metal shielding layer 13, the metal shielding layer 13 exposed to the insulating outer layer 14, and the front end of the insulating outer layer 14. [0012] Referring to the second figure, the metal shielding layer 13 does not completely shield the pair of differential signal wires 12'. One end of the pair of differential signal wires 12 is exposed outside the metal shielding layer 13, and the insulating outer layer 14 does not completely shield the metal. The shielding layer 13 and one end of the metal shielding layer 13 are exposed outside the insulating outer layer 4, and the metal shielding layer 13 is a masking layer made of a metal foil or a metal material. [0013] Referring to the third and fifth figures, the heat shrinkable sleeve 15 has a circular tubular shape, and the heat shrinkable sleeve 15 has a shielding function. The heat shrinkable sleeve 15 includes an inner layer and an outer layer, wherein the inner layer is a composite processed hot sol layer 151, and the heat soluble layer 151 is infiltrated with dispersed plurality of magnetic material particles 152. The outer layer of the heat shrinkable sleeve 15 is an insulating layer 153, which may be a crosslinked polyolefin material. It should be noted that 'when the heat shrinkable sleeve 15 is heat shrunk, the magnetic material particles 152 do not shrink, so The magnetic material particles 152 are gathered together by the shrinkage of the heat shrinkable sleeve 15 to form the magnetic material layer 154. The inner diameter of the heat shrinkable sleeve 15 is larger than the outer diameter of the cable before being contracted by heat, so that the heat shrinkable sleeve 15 can be sleeved to the periphery of a portion of the cable turns. The plurality of magnetic material particles 152 are added during the preparation of the hot melt. 099140327 Form No. A0101 Page 5 / Total 16 Page 0992070248-0 201222560 [0015] [0017] Referring to the first to third figures, the heat shrinkable sleeve 15 can be assembled to the cable by the following steps The periphery of 1. First, the pre-formed heat shrinkable sleeve 15 is sleeved to the periphery of a part of the cable 1 to be shielded; then the heat shrinkable sleeve 15 is heat-heated, and the heat shrinkable sleeve 15 is contracted and then attached to the cable. The periphery of 1 (i.e., the periphery of a portion of the signal wire 11 insulator 丨丨 2 exposed outside the metal shielding layer 13 , the periphery of a portion of the metal shielding layer 露出 3 exposed outside the insulating outer layer 14 and the periphery of a portion of the insulating outer layer 14 After the heat shrinkable sleeve 15 is cooled, the heat shrinkable sleeve 15 is pasted to the periphery of the cable bundle through the hot melt layer 151. Through the above steps, the heat shrinkable sleeve 15 is assembled to the periphery of the cable turns, and the cable 1 having the shielding function and capable of absorbing high frequency is manufactured. Since the inside of the heat shrinkable sleeve 15 has a magnetic material layer 154 composed of a plurality of magnetic material particles 152, the heat shrinkable sleeve 具有5 has a shielding function to prevent the cable 1 from being subjected to external electromagnetic interference during signal transmission. Absorbs the high frequency around the cable 1. Referring to the sixth drawing, the cable 组装 assembled with the heat shrinkable sleeve 15 is connected to the electrical connector 2. It should be noted that only one application environment of the cable 1 is shown in the figure. The cable 1 can also be used in other rates. Compared with the prior art, the coil casing of the present invention is provided with a heat-shrinkable sleeve 15 having a shielding function, so that the anti-(10)I performance of the wire gauge 1 can be more effectively improved. In summary, the invention complies with the invention patent requirement. , 提出 file patent application in accordance with the law. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those skilled in the art will be able to make equivalent modifications or changes in accordance with the spirit of the present invention. It is covered by the following patent application. 099140327 Form No. A0101 Page 6 of 16 0992070248-0 201222560 [Simplified Schematic] [0018] The first figure is a three-dimensional combination diagram of the cable of the present invention. [0019] The second figure is a perspective view of the cable unassembled heat shrinkable sleeve shown in the first figure. [0020] The third figure is the heat shrinkable sleeve on the cable shown in the first figure. The cable is not fully assembled in a stereo view of the cable. [0021] The fourth figure is a cross-sectional view of a heat shrink tubing on the cable of the present invention. [0022] FIG. 5 is a cross-sectional view of the heat shrinkable sleeve on the cable of the present invention after heating. [0023] Figure 6 is a perspective view of the cable and connector of the present invention. [Main component symbol description] [0024] Cable: 1 [0025] Differential signal conductor. 11 [0026] Grounding conductor: 12 [0027] Metal shielding layer: 13 ❹ [0028] Insulation outer layer: 14 [0029] Heat Casing: 15 [0030] Conductor: 111 [0031] Insulator: 112 [0032] Thermosol layer: 151 [0033] Magnetic material particles: 152 [0034] Insulation: 153 099140327 Form No. A0101 Page 7 of 16 Page 0992070248-0 201222560 : 154 [0035] Magnetic material layer 099140327 Form number A0101 Page 8 / Total 16 page 0992070248-0