TWI299113B - - Google Patents
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- TWI299113B TWI299113B TW94139174A TW94139174A TWI299113B TW I299113 B TWI299113 B TW I299113B TW 94139174 A TW94139174 A TW 94139174A TW 94139174 A TW94139174 A TW 94139174A TW I299113 B TWI299113 B TW I299113B
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- differential
- probe card
- probe
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- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Description
1299113 九、發明說明: 【發明所屬之技術領域】 本發明係與採針卡有關,特別是指一種可傳遞成對之 差動信號的探針卡。 【先前技術】 一般探針卡的設計以方便半導體生產線之量產測試考 篁,係針對待測電子元件的線路設計而提供測試接點可相 對應的探針,作為輸出或接收測試信號之傳輸媒介,極少 實際考量電子元件之電性運作功能,將其探針卡之電路設 51299113 IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD The present invention relates to a needle card, and more particularly to a probe card that can transmit a pair of differential signals. [Prior Art] The general probe card is designed to facilitate the mass production test of the semiconductor production line. It provides a probe corresponding to the test contact for the circuit design of the electronic component to be tested, and transmits it as an output or receive test signal. The medium, the actual consideration of the electrical operation function of the electronic components, the circuit of the probe card is set 5
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计配& 1測號特性,提供電子元件實際所需的電測條件。 尤其對於光電產業所生產的顯示面板而言,一般顯示 面板係以W頻掃猫信號驅動顯示畫面,其所使用的驅動晶 片以輸出高速、低雜訊且低電磁干擾的差動信號 (Differentlal Signaling)為主,同時驅動晶片巾電子元件 的品質與可靠度更為必備的條件,為此,晶片提供廠商需 保姐電子7L件的出貨品質,使該些電子元件皆通過精確的 電,測試,故制過程巾測試錢f穩定確實且不失真, 才能提供電子元件實際所㈣電測條件;賴上述電子元 =使用的差純號,需為―組電流大小相同、流向相反 之㈣對,信雜助互有特定_抗(impedanee)匹配 合效應,因此習用之探針卡只考量到與待測元 相對應之線路設計,無法使傳輸差動信^ 件的抗匹配以及電性耦合效應,僅能測試元 、H實則無法判斷元件是否能運作於所需的電 20 1299113 性規格内,使失去其電測之可靠性 【發明内容】 因此,本發明之主要目的乃在於提供一種可傳遞差動 信號對之探針卡,使提供至制電子元件之電性測試具有 所需測試信號之條件特性,因此維持電測之可靠性。 15 ^達成前揭目的,本發明所提供一種可傳遞差動信號 對之探針卡’包括有—電路板及複數個差動探針,該電^ 板佈設有電子電路,並具有—上表面及-下表面,該二表 面係設有複數倾魏子f路相_讀點,該f子電路旦 有複數條第m線,該些第—導線係成對相鄰用^ 傳遞上述差練朗,相鄰之二該第-導線並相互維持特 ^之阻抗匹配’且各對該第__導線之周圍^有至少—該塗 二導線’該些第二導線用以電性接地 = 探針設於該電路板之下表面,各駐練針具有二 -同軸線’賴同軸線具有—套管、二信號線及至少 體’該套管係套置有該二信號線與該絕緣體 绩 對應設置林騎頭,魏、賴驗纽 =並為不具導電性之絕緣材料,該套管、該二針it η亥仏號線皆為具導電性之全屬姑粗 分別連接Γ 套官及各該信號線 别連接於下表面之各該銲點,使該套管電性連接於 -導線’該二信號線電性連接於相鄰之二—導μ 2二信號線之相對電性阻抗(impedance)係為可^伟 維持與相連—该第—導線相同之阻抗匹配丨因此藉由ς該 20 1299113 士表:之銲點電性連接於用以測量上述電子元件之測試機 。,並將各該針頭與該電子元件電性接觸,則該探 觸探測該電子元件。 ^ 5【實施方式】 以下’兹配合圖示列舉若干較佳實施例,用以對本 發明之結構與功效作詳細說明,其中所用圖示之簡要 明如下: 第-圖係本發明所提供第—較佳實施例之侧視圖; 1〇 第二圖係上述第一較佳實施例之頂視圖; 第二圖係上述第一較佳實施例之底視圖; 、第四圖係上述第-較佳實施例之電子電路示意圖,圖示 為第一及第二導線於電路板上表面的佈局設計; 第五圖係第四圖之5-5連線剖視圖; 15 第六圖係上述第一較佳實施例之差動探針示意圖,圖示 為電路板佈線區及探針座與差動探針之連接關係; 第七圖係第六圖之7-7連線剖視圖; 第八圖係上述第一較佳實施例之同軸探針示意圖,圖示 為電路板佈線區及探針座與同軸探針之連接關係; 20 第九圖係第八圖之9-9連線剖視圖; 第十圖係本發明所提供第二較佳實施例之侧視圖; 第十一圖係上述第二較佳實施例之頂視圖; 第十二圖係上述第二較佳實施例之跳線示意圖,圖示為 跳線於電路板佈線區及跳線區之設置方式,以及與差動探 1299113 針之連接關係; ,十二圖係第十二圖之13—13連線剖視圖; 德^切圖係本&明所提供第三較佳實施例之電子電路結 構示意圖; 電路 第十五圖係本發明所提供第四較佳實施例之電子 結構示意圖; 電路 第十/、圖係本發明所提供第五較 結構示意圖; 電路 第十七圖係本發明所提供第六較佳實施例之電子 結構示意圖; 第十八圖係本發明所提供第七較佳實施例之電子電路 、、、口構不意圖; 第十九圖係本發明所提供第八較佳實施例之探針座示 思、圖; 15 接_ f 一十圖係本發明所提供第九較佳實關之差動探針結 構示意圖; 第一十·關本發明所提供第十較佳實關之差動探針 結構不意圖; 料=二十二目穌發_提供料—錄實補之差動探 針結構示意圖; ^第=十三_本發明所提供第十二較佳實關之差動探 針、、、口構不意圖; 睛參閱第-至第三圖所林發明所提供之第一較佳實 20 1299113 施例,為一用以傳輸差動信號對之探針卡丨,包括有一電路 板10、一探針座20複數個差動探針3〇以及複數個同軸探 針40,該電路板10可界定出一上表面1〇1、一下表面1〇2、 一外圈之測試區103及一内圈之佈線區1〇4,該電路板1〇 5並佈設有電子電路11,第二圖參照,且於測試區1〇3之該 : 二表面ι〇1、102上分別形成有多數個與該電子電路η相 接觸之金屬知點51、52,於佈線區104之該二表面1〇1、 • 1〇2上分別形成有多數個與該電子電路11相接觸之金屬銲 點53、54,該上表面1〇1的部分銲點51係電氣連接至一測 ίο試機台(圖中未示),該測試機台為輸出差動信號至該探針 卡1,該下表面1〇2的部分銲點54係電氣連接至該些探針 30、40,第三圖參照,其中: • 、如第四圖所示之該電子電路11,具有複數條第一及第 二導線12、13,分佈連接該測試區1〇3及該佈線區1〇4之 I5銲點51、53,該些第一導線12係成對相鄰以傳遞上述差動 • #號,相鄰間距約略為各導線12之線寬,且沿各對二該第 一導線12之兩側及下方並設有該第二導線13,各該第二導 線與忒弟一導線12之間距並大於相鄰二該第一導線工2 之間距,第五圖參照,該些第二導線13用以電性接地 20 (Sround),結構上包括有接地線130、接地通孔131以及 接地層132;接地線130位於該上表面1〇1沿著各對二該第 一導線12侧邊佈設,接地通孔131為垂直貫穿該電路板1〇 至該二表面101、102上,接地層132為佈設於電路板1〇 内,以同一層平面製程形成於各對二該第一導線12下方以 1299113 及相連於接地通孔131,接地線130及二該第一導線12下 方之接地層132皆作為各該第一導線12之電性阻抗參考基 準,並有防止外部雜訊干擾信號傳遞之電性防護作用,^ 地層132則連接導通至測試機台之電位零點,且當二該第 5 一導線12於佈線區1〇4需垂直貫穿導通至電路板1〇 ^下 表面102,兩側同樣設有各該接地通孔131作為各該第一導 線12之電性阻抗參考基準及電性防護作用,第六圖參照。 如第三及第六圖所示之該探針座2〇,係設置於該電路 板10之下表面102的佈線區1〇4上,具有一固定環21及 10 一黏著劑22,皆為具導電性之材料所製成,該固定環21 並為電性接地,該黏著劑22用以將該些探針3〇、4〇固定 連接於該固定環21上,該些同軸探針4〇與該些差動探 3〇係呈交錯排列。 如第六及第七圖所示之各該差動探針30,具有二針頭 κ 31及一同軸線32,各該同軸線32係有一套管幻、該套管 33所包覆之一絕緣體34以及各該絕緣體34所包覆之信號 ^ 35,且該套管33、各該絕緣體%及各該信號線乃 皆有相當之間隙’各該絕緣體34為不具導電性之絕緣材 料二該套管33與各該信號線%皆為具導電性之金屬材料, 20忒k號線35之兩端係伸出於該絕緣體34外未受該絕緣體 Μ所包覆,而可界定出外露之一第一端351及一第二端 352,第一端351為電性連接於與該第一導線12所對應連 接之銲點54,第二端352設置有各該針頭31 ;該針頭^31 為具有適當硬度及導電性之導體,用以接觸待測電子元件 1299113 (圖中未示)的測试部位,該套管 通孔131所對應連接之銲·點54,該套总二接,該接地 22固定連接於該固定環21上, 1 並藉該黏著劑 性訊f卢過程中,兮奈势u ^二信號線35傳導電 5 15 大小之改變而調整該二信號線35之相對電二 於該二第一導線12之相對電性阻抗。 &使相冋 如第八及第九圖所示之各該同軸探針4(), 々 ,線41及該針,該單芯同轴線41之結構係 = ^針3〇之同軸線32,但僅以一套管42包覆各-之該絕緣 =34及信麟35,該套管則為具導電性之金屬材料並 電性連接於該接地通孔m,且藉雜㈣丨22固定連接於 該固定環21上,該同軸探針40之信號線%透過鲜點54 電性連接至電子電路η,因此當朗軸探針4G之針頭31 接觸待測電子元件的測試訊號輸出部位時,則可回傳測試 訊號至測試機台,該套管42包覆著該信號線35之結構貝^ 可維持回傳訊號不致衰減及不受雜訊干擾,另當該電子元 件須接收來自該電子電路11中除了差動信號外之其他訊號 寺s亥同轴棟針40亦可用以傳輸其他訊號至該電子元件並 維持訊號不致衰減及不受雜訊干擾。 因此將該探針卡1之測試區103連接至輸出有差動訊號 對之測試機台,則藉由該些第一導線12傳遞差動信號至該 些差動探針30之信號線35,配合以第二導線13環繞第一 導線12的佈局設計,及以套管33環繞該二信號線35的結 20 1299113 ^ 傳遞差動錢過程中二該第一導線12間及差動探 效應,鱗=線匹35間皆可維持特定的電容,合 子-彳车。抗配的特性,則顯示面板驅動晶片的電 私二从可獲传符合量測規格之差動信號,並藉由該同軸探 本 ^構亦可維持實際測得之回傳減,因此使該探針 卞1,、有極佳的電測可靠性。The Metering & 1 measurement feature provides the electrical measurements required for the electronics. Especially for the display panel produced by the optoelectronic industry, the general display panel drives the display screen with the W-frequency sweeping cat signal, and the driving chip used is a differential signal that outputs high speed, low noise and low electromagnetic interference (Differentlal Signaling). Mainly, at the same time, it is more necessary to drive the quality and reliability of the electronic components of the wafer towel. For this reason, the chip supplier needs to ship the quality of the 7L parts of the Sister Electronics, so that the electronic components pass the accurate electric test. Therefore, the test process towel test money f is stable and not distorted, in order to provide the electronic component (4) electrical measurement conditions; the above electronic element = the difference between the use of the pure number, the need to be the same group current, the opposite direction of flow (four), There is a specific ED (anti-impedane) matching effect, so the conventional probe card only considers the circuit design corresponding to the element to be tested, and can not make the anti-matching and electrical coupling effect of the transmission differential signal. Only the test element and H can't judge whether the component can operate within the required electricity 20 1299113 specification, so that the reliability of the electrical measurement is lost. [Inventive content] , Is the primary object of the present invention is to provide a differential signal for transmission of the probe card, so that the electrical system is provided to test the condition of electronic components having the desired characteristics of the test signal, thus maintaining the reliability of measuring. 15 ^ Before the achievement, the present invention provides a probe card capable of transmitting a differential signal pair comprising a circuit board and a plurality of differential probes, the circuit board being provided with an electronic circuit and having an upper surface And a lower surface, the two surface systems are provided with a plurality of f-phase _ read points, the f-sub-circuit has a plurality of m-th lines, and the first-conductor wires are paired adjacent to each other Lang, the adjacent two of the first-wires and maintain each other's impedance matching 'and each of the first __ wire has at least - the coated two wires' of the second wire for electrical grounding = The pins are disposed on the lower surface of the circuit board, and each of the stationary needles has a two-coaxial line, the coaxial cable has a sleeve, two signal lines and at least a body. The sleeve is sleeved with the two signal lines and the insulation performance. Corresponding to the setting of Lin riding head, Wei, Lai 纽 = = and is not conductive insulation material, the casing, the two-needle it η 仏 仏 皆 line are all conductive and connected to the Γ Γ Γ Each of the signal lines is connected to each of the solder joints on the lower surface, so that the sleeve is electrically connected to the -wire 'the two signals The relative electrical impedance electrically connected to the adjacent two-conducting μ 2 signal lines is such that the impedance matching can be maintained and connected to the same - the first conductor is thus matched by the 20 1299113 The solder joint is electrically connected to the tester for measuring the above electronic components. And electrically contacting each of the needles with the electronic component, the probe detects the electronic component. </ RTI> </ RTI> </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> </ RTI> </ RTI> </ RTI> <RTIgt; 1 is a top view of the first preferred embodiment; a second view is a bottom view of the first preferred embodiment; and a fourth view is the first preferred The schematic diagram of the electronic circuit of the embodiment is shown in the layout design of the first and second wires on the surface of the circuit board; the fifth figure is a cross-sectional view taken along line 5-5 of the fourth figure; The schematic diagram of the differential probe of the embodiment is shown in the circuit board wiring area and the connection relationship between the probe base and the differential probe; the seventh figure is the sectional view of the 7-7 line of the sixth figure; A schematic diagram of a coaxial probe of a preferred embodiment is shown as a circuit board wiring area and a connection relationship between the probe holder and the coaxial probe; 20 is a cross-sectional view of the line 9-9 of the eighth figure; A side view of a second preferred embodiment of the present invention; A top view of the second preferred embodiment; a twelfth view of the jumper of the second preferred embodiment, showing the arrangement of the jumper in the wiring area and the jumper area of the circuit board, and the differential probe 1299113 pin connection relationship; twelfth figure is a cross-sectional view of the 13th line of the twelfth figure; FIG. 1 is a schematic diagram of the electronic circuit structure of the third preferred embodiment provided by the present invention; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 10 is a schematic view showing a fifth embodiment of the present invention; FIG. The electronic structure of the seventh preferred embodiment of the present invention is not intended; and the nineteenth embodiment is the probe holder of the eighth preferred embodiment of the present invention.思思,图; 15 _ f 十图 is a schematic diagram of the ninth preferred embodiment of the differential probe provided by the present invention; the tenth aspect of the present invention provides the tenth better practical differential translation Needle structure is not intended; material = twenty-two eyes Schematic diagram of the structure of the differential probe of the recording material; ^13=The differential probe of the twelfth preferred embodiment provided by the present invention, and the mouth structure are not intended; The first preferred embodiment of the present invention is a probe cartridge for transmitting a differential signal pair, including a circuit board 10 and a probe holder 20, a plurality of differential probes 3 And a plurality of coaxial probes 40, the circuit board 10 defines an upper surface 1〇1, a lower surface 1〇2, an outer circumference test area 103, and an inner circumference wiring area 1〇4, the circuit board 1〇5 is provided with an electronic circuit 11, and the second figure is referred to, and in the test area 1〇3: the two surfaces 〇1, 102 are respectively formed with a plurality of metal points 51 in contact with the electronic circuit η. And 52, on the two surfaces 1〇1, 1〇2 of the wiring area 104, a plurality of metal solder joints 53, 54 are formed in contact with the electronic circuit 11, and a part of the solder joints of the upper surface 1〇1 The 51 series is electrically connected to a test machine (not shown), and the test machine outputs a differential signal to the probe card 1, and the lower surface is 1〇2 The sub-soldering point 54 is electrically connected to the probes 30, 40, and the third figure refers to, wherein: the electronic circuit 11 as shown in the fourth figure has a plurality of first and second wires 12, 13, The I5 solder joints 51 and 53 of the test area 1〇3 and the wiring area 1〇4 are distributed, and the first wires 12 are adjacent to each other to transmit the differential • #号, and the adjacent pitch is approximately the respective wires. The line of 12 is wide, and the second wire 13 is disposed along the two sides of the pair of first wires 12 and below, and the distance between each of the second wires and the first wire 12 is greater than the adjacent two. The second wire 13 is used for the electrical grounding 20 (Sround), and the structure includes a grounding wire 130, a grounding through hole 131, and a grounding layer 132. The grounding wire 130 is located thereon. The surface 1〇1 is disposed along the side of each pair of the first wires 12, and the ground vias 131 are vertically penetrated through the circuit board 1〇 to the two surfaces 101 and 102, and the ground layer 132 is disposed in the circuit board 1〇. Formed by the same layer of planar process under each pair of the first wire 12 to be 1299113 and connected to the ground via 131, the ground line 130 The ground layer 132 under the first wire 12 serves as a reference for the electrical impedance of each of the first wires 12, and has an electrical protection function for preventing external noise interference signal transmission. ^ The ground layer 132 is connected to the test machine. The potential of the stage is zero, and when the second wire 12 is in the wiring area 1〇4, it is required to vertically penetrate to the lower surface 102 of the circuit board 1 , and the grounding holes 131 are also provided on both sides as the first The electrical impedance of the wire 12 is referenced and electrically shielded, and the sixth figure is referred to. The probe holder 2, as shown in the third and sixth figures, is disposed on the wiring area 1〇4 of the lower surface 102 of the circuit board 10, and has a fixing ring 21 and an adhesive 22, both of which are The fixing ring 21 is electrically grounded, and the adhesive 22 is used for fixedly connecting the probes 3〇, 4〇 to the fixing ring 21, and the coaxial probes 4 are connected. 〇 and the differential 〇 3 呈 are staggered. Each of the differential probes 30, as shown in the sixth and seventh figures, has a two-pin κ 31 and a coaxial line 32. Each of the coaxial wires 32 is provided with a casing, and an insulator 34 covered by the sleeve 33. And the signal 35 covered by the insulator 34, and the sleeve 33, each of the insulators and each of the signal lines have a corresponding gap. Each of the insulators 34 is an insulating material having no conductivity. 33 and each of the signal lines are electrically conductive metal materials, and the two ends of the 20 忒k line 35 are protruded from the insulator 34 and are not covered by the insulator ,, and one of the exposed ones can be defined. The first end 351 is electrically connected to the solder joint 54 corresponding to the first wire 12, and the second end 352 is provided with each of the needles 31; the needle is 31 a conductor of appropriate hardness and conductivity for contacting a test portion of the electronic component 12299113 (not shown), the soldering point 54 corresponding to the through hole 131 of the sleeve, the sleeve is always connected, the grounding 22 is fixedly connected to the fixing ring 21, and by the adhesive agent, the 兮 势 u ^ two signal lines 35 The relative electrical conductivity of the two signal lines 35 is adjusted to the relative electrical impedance of the two first wires 12 by the change in the size of the conductive power. & the coaxial probe 4 (), 々, line 41 and the needle, as shown in the eighth and ninth figures, the structure of the single-core coaxial line 41 = coaxial line of the needle 3 32, but only a sleeve 42 is covered with the insulation = 34 and the letter of the 35, the sleeve is a conductive metal material and is electrically connected to the ground via m, and by (4) 22 is fixedly connected to the fixing ring 21, and the signal line % of the coaxial probe 40 is electrically connected to the electronic circuit η through the fresh spot 54. Therefore, when the needle 31 of the horizontal axis probe 4G contacts the test signal output of the electronic component to be tested At the location, the test signal can be returned to the test machine, and the sleeve 42 covers the structure of the signal line 35 to maintain the return signal without attenuation and noise interference, and when the electronic component is to receive Other signals from the electronic circuit 11 other than the differential signal can also be used to transmit other signals to the electronic component and maintain the signal without attenuation and noise interference. Therefore, the test area 103 of the probe card 1 is connected to the test machine that outputs the differential signal pair, and the differential signals are transmitted to the signal lines 35 of the differential probes 30 by the first wires 12, Cooperating with the layout design of the second wire 13 around the first wire 12, and the process of transmitting the differential money in the process of transmitting the differential money by the sleeve 33 around the junction of the two signal lines 35, and the differential motion effect, Scale = line 35 can maintain a specific capacitance, zygote - brake. The anti-matching characteristic is that the differential signal of the panel driving chip can be transmitted to meet the measurement specification, and the coaxial detection structure can also maintain the actual measured back-transmission subtraction, thus making the The probe 卞1 has excellent electrical reliability.
當然若電子元件有不_戦接點設計 ’則該些針頭31 ,,號的位置便需符合實際探測接觸點,因此本創 4亦提供有可配合制電子元件接點設計的另—較佳實施 10例,如第十及第十一圖所示之探針卡2,具有-電路板60、 該楝針座2〇、該些探針如、4〇以及複數條跳線%,其中: 該電路板60係同樣可界定出該上表面101及該下表面 1〇2,以及由相向_分佈之铜試區103、-佈線區601 及-跳線區602,該電路板6〇並佈設有電子電路61,且如 i5第十-及第十二圖所示,於測試區1〇3之該二表自⑼.Of course, if the electronic component has a design of the contact point, then the position of the needle 31, the number of the needle needs to conform to the actual detection contact point, so the present invention 4 also provides another design which can be matched with the design of the electronic component contact. 10 cases are implemented, such as the probe card 2 shown in the tenth and eleventh figures, having a circuit board 60, the cymbal holder 2 〇, the probes such as 4 〇, and a plurality of jumpers %, wherein: The circuit board 60 can also define the upper surface 101 and the lower surface 1〇2, and the copper test area 103, the wiring area 601 and the jumper area 602 distributed by the opposite direction, and the circuit board 6 is arranged and arranged. There are electronic circuits 61, and as shown in the tenth and twelfth figures of i5, the two tables in the test area 1〇3 are from (9).
上分別形成有與該電子電路61相接觸之該些鲜點51、^, 於佈線區6G!之該二表面1(H、⑽上分別形成有與該電子 電路61相接觸之該些銲點53、54,於跳線區6〇2之該二表 面10卜102上分別形成有與該電子電路61相接觸^鮮點 2〇 55、56,該上表面ΗΠ _點51 _電氣連接至測試機台 (圖中未示)’該下表面102的薛,點56則電氣連接至該些 探針30、40,該電子電路61具有該些第一及第二導線u、 13,分佈自該測試區103之薛點51至該佈線區6〇1之鮮點 11The bright spots 51 and φ are respectively formed in contact with the electronic circuit 61, and the solder joints are formed on the two surfaces 1 (H, (10) of the wiring region 6G! 53, 54, on the two surfaces 10 102 of the jumper area 6 〇 2 are respectively formed with the electronic circuit 61 contact point 2 〇 55, 56, the upper surface ΗΠ _ point 51 _ electrically connected to the test a machine (not shown) 'the lower surface 102 of the Xue, the point 56 is electrically connected to the probes 30, 40, the electronic circuit 61 has the first and second wires u, 13, distributed from the The point 51 of the test area 103 to the fresh point 11 of the wiring area 6〇1
(I J299113 該些跳線7〇係設於該上表面1〇1且連接自該佈線區 601之銲點53至該跳線區6〇2之銲點&,各該跳線%除 了具有-最外層之保護膜71以及不設有各該針頭31外, 其内部結構係與上述該差動探針3〇之同轴線Μ結構相 5同’於此不再贅述,第十三圖參照,該保護膜^包覆有該 : 同軸線32,且為不具導電性之絕緣材料,可用以保護其内 : =之同軸線32使不致刮傷或損毀,該跳線70除了兩;外 # 冑之二該信號線35,該套管33兩端更分別相連接有與其材 質相同之一金屬線72。 口此該些第一及弟一導線12、13自測試區1⑽連接至 佈線區602上表面101之銲點53後,並不直接貫穿導通至 下表面1〇2’而是將各該跳線70 一端之二該信號線35及該 金屬線72分別對應連接於二該第一導線12及該第二導線 13且銲接於各該銲點53,各該跳線7〇另一端之二&信號 I5線35及該金屬線72則銲接於跳線區6〇2之銲點&, • 別對應於與各該差動探針3〇之二該信號線35及該套管& 所連接之各銲點56而相互貫穿導通;因此可視待測元件之 測試接點設計,針對各該測試接點所需對應之各該針頭W 位置,設計該些跳線70所連接之跳線區6〇2的銲點55位 2〇置’使該探針卡2不僅可用以傳輸差動訊號對之測試信號, 並月b適用於多種不同佈局設計的電子元件。 另請參閱如第十四圖所示為本發明所提供第三較佳實 施例之電子電路I4,較之於上述第一較佳實施例係以節省 電路佈局之空間設計考量,二該第一導線12僅於下方佈設 12 1299113 奢 有該第二導線13之接地層132,兩_佈設其他的訊號 線,該接地層132同樣作為各該第一導線12之電性阻抗參 考基準,以維持差動訊號傳遞的阻抗匹配。(I J299113) The jumpers 7 are provided on the upper surface 1〇1 and are connected from the solder joints 53 of the wiring region 601 to the solder joints of the jumper region 6〇2, and each of the jumpers has - the outermost protective film 71 and the absence of each of the needles 31, the internal structure of which is the same as the coaxial coil structure of the differential probe 3', and will not be described herein, FIG. For reference, the protective film is coated with the coaxial line 32 and is an electrically non-conductive insulating material, which can be used to protect the inside: = the coaxial line 32 is not scratched or damaged, except for the jumper 70; #胄二二的信号线35, the two ends of the sleeve 33 are respectively connected with a metal wire 72 of the same material. The first and second wires 12 and 13 are connected to the wiring area from the test zone 1 (10). After the solder joint 53 of the upper surface 101 of the 602 is not directly penetrated to the lower surface 1〇2', the signal line 35 and the metal line 72 of each end of each of the jumpers 70 are respectively connected to the first one. The wire 12 and the second wire 13 are soldered to each of the solder joints 53, and the jumper 7 and the other end of the second & signal I5 line 35 and the metal wire 72 are soldered. The solder joints of the jumper area 6〇2 are not connected to the solder joints 56 of the differential probes 3 and the solder joints 56 connected to the sleeves & Therefore, according to the test contact design of the component to be tested, for each of the corresponding W positions of the test contacts, the solder joints of the jumper area 6〇2 connected to the jumpers 70 are designed to be 55 bits. The probe card 2 can be used not only to transmit the test signal of the differential signal pair, but also to the electronic components of a plurality of different layout designs. See also the fourth embodiment of the present invention as shown in FIG. The electronic circuit I4 of the preferred embodiment is designed to save space in the circuit layout compared to the first preferred embodiment. The first wire 12 is only disposed under the 12 1299113. The ground layer 132 is provided with other signal lines. The ground layer 132 also serves as an electrical impedance reference for each of the first wires 12 to maintain impedance matching of the differential signal transmission.
1010
20 另請參閱如第十五圖所示本發明所提供第四較佳實施 例之電子電路15,㈣第—導線12係不設於該上表面皿 上,而是將二該第一導線12設於二接地層132之間,於測 試區103巾僅導通於與測試機台相連接之銲點5卜於佈線 區舰中僅導通於與該些探針3〇、4〇相連接之鲜點% (圖 中未不)’不但維持差動訊號傳遞的阻抗匹配特性,且沿差 動訊號上、下的電性接地有更佳的電性防護作用;當然若 以節省電路佈局之空間設計考量,則可如上述第三^ =例之結構變化,於二該第—導線12兩侧佈設其他的訊號 線而非該些第二導線13 ’如第十六圖所示本發明所提供第 五較佳實施例之電子電路16。 另請參閱如第十七圖所示本發明所提供第六較佳 =之電子電路17,較之於上述第四較佳實施例之該些第一 ¥線12則具錄寬的訊麟導路徑,該電子電路丨 =成對上下相鄰之第-導線171設於二該接地層= 曰,且相鄰間隙約略相同於各該第一導線171之厚产, C差動訊號的阻抗匹配特性’且較寬的訊;;導路 低寄生電阻效應而增加其導電性;當然若以 ==之空間料考量,則可如上述第三較佳實施例之結 ‘第’ Ϊ7該第—導、線171兩側佈設其他的訊號線而非 〜卓-導線13 ’如第十八圖所示本發明所提供第七較= 13 J299113 實施例之電子電路18。 另請參閱如第十九圖所示本發明所 例之探針座80,係具有一固定環8卜 弟=佳實施 金屬薄膜83 ’其功能結構較之於上述 ‘ 5探針座2〇物具撕性之峨環^^該 :至於該金屬薄臈83則為具導電性之金屬材質;;=2 】針30、40固定連接於該固定環81上後,再:金 屬4膜83濺鍍於該固定環81及 /, 差動探針3。之套管33(或同軸探:二之外二= 導通’因此該固定環81及黏著刻82於材丄= 材料’而同樣具有固定各該探針3〇,且電性接 變同==的本之差動探針係可藉由改 十二圖分別所示本發明所提供第九至 -較佳實_之各差動探針9()、9 :::其:之一該信號線35之周圈二 亀上 1 該套管33内壁而設置,第二十圖表昭. 该差動探針91係於各兮户祙始 口〜、、、’ 20體34,® 各^號線5外直接附著有各該絕緣 體^因此僅絕緣體34與套管33之_ _ = 變動探針92係為上述該差細 34,而改為附著二線35之周圈不附著有絕緣體 動探針93係於各;^%内層’第二十二圖參照;該差 各槪鱗35與該套管33之間填滿絕緣體 1299113 34,使三者間完全不留有空隙,第二十三圖參照;因此該 些差動探針90、91、92、93同樣可達成本發明之目的,且 更具有調整二信號線之間的相對阻抗的功能。 唯,以上所述者,僅為本發明之較佳可行實施例而已, 5 故舉凡應用本發明說明書及申請專利範圍所為之等效結構 變化,理應包含在本發明之專利範圍内。20 Please also refer to the electronic circuit 15 of the fourth preferred embodiment of the present invention as shown in the fifteenth figure. (4) the first wire 12 is not disposed on the upper surface plate, but the first wire 12 is Between the two grounding layers 132, in the test area 103, the towel is only connected to the solder joint 5 connected to the testing machine. In the wiring area, only the light is connected to the probes 3〇, 4〇. The point % (not shown in the figure) not only maintains the impedance matching characteristics of the differential signal transmission, but also has better electrical protection along the electrical ground above and below the differential signal; of course, if the space is saved to save the circuit layout Considering the structural change of the third embodiment, the other signal lines are disposed on both sides of the first wire 12 instead of the second wires 13' as shown in the sixteenth embodiment. The electronic circuit 16 of the fifth preferred embodiment. Please refer to the electronic circuit 17 of the sixth preferred embodiment provided by the present invention as shown in FIG. 17, and the first line 12 of the fourth preferred embodiment has a widened video guide. Path, the electronic circuit 丨=the pair of upper and lower adjacent first-conductors 171 are disposed on the ground layer==, and the adjacent gaps are approximately the same as the thickness of each of the first wires 171, and the impedance matching of the C differential signals The characteristic 'and a wider signal; the low path parasitic resistance effect of the lead circuit increases its conductivity; of course, if the space material of the == is considered, the knot of the third preferred embodiment may be the same as the 'th' Ϊ7 The other signal lines are disposed on both sides of the lead and the line 171 instead of the ~ lead-wire 13'. The electronic circuit 18 of the seventh embodiment of the present invention is provided as shown in Fig. 18. Please also refer to the probe holder 80 of the present invention as shown in the nineteenth figure, which has a fixing ring 8 and a good implementation of the metal film 83'. The functional structure is compared with the above-mentioned '5 probe holder 2 The torn ring ^ ring ^ ^: As for the metal 臈 83 is a conductive metal material;; = 2 】 needle 30, 40 fixedly attached to the fixed ring 81, then: metal 4 film 83 splash The fixed ring 81 and/or the differential probe 3 are plated. The sleeve 33 (or coaxial probe: two outer two = conduction 'so the fixed ring 81 and the adhesive ring 82 are material 丄 = material ') also has the fixed probe 3 〇, and the electrical connection is the same == The differential probe of the present invention can be obtained by the ninth to the better ninth of the differential probes 9(), 9::: one of the signals provided by the present invention. The circumference of the line 35 is set on the inner wall of the sleeve 33, and the twentieth chart is shown. The differential probe 91 is attached to each of the households, the beginning, the mouth, the mouth, the body, the body, the body, the body, the body, the body, the body, the Each of the insulators is directly attached to the outside of the wire 5. Therefore, only the insulator 34 and the sleeve 33 of the sleeve 33 are the above-mentioned difference 34, and the circumference of the second wire 35 is not attached with the insulator. The needle 93 is attached to each of the ^^ inner layers 'the twenty-second figure; the difference between the scales 35 and the sleeve 33 is filled with the insulator 1299113 34, so that there is no gap between the three, twenty-third Referring to the drawings; therefore, the differential probes 90, 91, 92, 93 can also achieve the purpose of the invention, and have the function of adjusting the relative impedance between the two signal lines. hair The possible preferred embodiments only, it covered the 5 patent application specification and the scope of the present invention changes whom equivalent structures, should be included within the scope of the present invention.
1515
(I J299113 【圖式簡單說明】 第一圖係本發明所提供第一較佳實施例之側視圖; 第二圖係上述第一較佳實施例之頂視圖; 第三圖係上述第一較佳實施例之底視圖; 5 第四圖係上述第一較佳實施例之電子電路示意圖,圖示 : 為第一及第二導線於電路板上表面的佈局設計; : 第五圖係第四圖之5-5連線剖視圖; 修 第六圖係上述第一較佳實施例之差動探針示意圖,圖示 為電路板佈線區及探針座與差動探針之連接關係; ίο 第七圖係第六圖之7-7連線剖視圖; • 第八圖係上述第一較佳實施例之同軸探針示意圖,圖示 為電路板佈線區及探針座與同軸探針之連接關係; 第九圖係第八圖之9-9連線剖視圖; 第十圖係本發明所提供第二較佳實施例之侧視圖; 15 第^^一圖係上述第二較佳實施例之頂視圖; 參 第十二圖係上述第二較佳實施例之跳線示意圖,圖示為 跳線於電路板佈線區及跳線區之設置方式,以及與差動探 ^ 針之連接關係; 第十三圖係第十二圖之13-13連線剖視圖; 20 第十四圖係本發明所提供第三較佳實施例之電子電路結 構示意圖; 第十五圖係本發明所提供第四較佳實施例之電子電路 結構示意圖; 第十六圖係本發明所提供第五較佳實施例之電子電路 1299113 結構示意圖; 結構=圖係本發明所提供第六較佳實施例之電子 結構=圖又圖係本發明所提供第七較佳實施例之電子 第十九_本發明所提供$八較佳實施例之探針座 思圓, 第 電路 電路 不 播一立闽十圖係本發明所提供第九較佳實施例之差動探針結 稱不意圖; 幹構n圖係本發明所提供第十較佳實細之差動探針 ㈣=二1二圖係本發明所提供第十一較佳實施例之差動探 針結構示意圖; 15祕^二t三圖係本發明所提供第十二較佳實施例之差動探 is針結構示意圖; J299113 【主要元件符號說明】 5(I J299113) BRIEF DESCRIPTION OF THE DRAWINGS The first drawing is a side view of a first preferred embodiment of the present invention; the second drawing is a top view of the first preferred embodiment; The bottom view of the preferred embodiment; 5 is a schematic diagram of the electronic circuit of the first preferred embodiment, showing: layout design of the first and second wires on the surface of the circuit board; Figure 5-5 is a cross-sectional view of the wiring; Figure 6 is a schematic diagram of the differential probe of the first preferred embodiment, which shows the connection relationship between the wiring area of the circuit board and the probe holder and the differential probe; ίο Figure 7 is a cross-sectional view taken along line 7-7 of the sixth figure; • Figure 8 is a schematic view of the coaxial probe of the first preferred embodiment, showing the connection relationship between the wiring area of the board and the probe holder and the coaxial probe The ninth drawing is a sectional view of the second preferred embodiment of the present invention; the tenth drawing is a side view of the second preferred embodiment of the present invention; Figure 12 is a jumper diagram of the above second preferred embodiment, shown as a jumper The arrangement of the wiring area and the jumper area of the circuit board, and the connection relationship with the differential probe; the thirteenth figure is a cross-sectional view of the 13-13 connection of the twelfth figure; 20 the fourteenth figure is provided by the present invention FIG. 15 is a schematic view showing the structure of an electronic circuit according to a fourth preferred embodiment of the present invention; and FIG. 16 is an electronic circuit according to a fifth preferred embodiment of the present invention. Structure of the circuit 1299113; structure = diagram of the electronic structure of the sixth preferred embodiment provided by the present invention = diagram and diagram of the electronic preferred embodiment of the seventh preferred embodiment of the present invention The probe circuit of the preferred embodiment is not round, and the circuit circuit is not broadcast. The differential probe of the ninth preferred embodiment of the present invention is not intended; the dry n-picture is provided by the present invention. The tenth preferred thin differential probe (four)=two 12 is a schematic diagram of the differential probe structure of the eleventh preferred embodiment provided by the present invention; 15 secret ^ two three diagrams are provided by the present invention Schematic diagram of the differential probe is 12 of the preferred embodiment; J 299113 [Main component symbol description] 5
10 1510 15
卜2探針卡 10、60電路板 101上表面 102下表面 103測試區 104、601佈線區 η、14、15、16、 17、18、61電子電路 12、171第一導線 13第二導線 130接地線 131接地通孔 132接地層 20、80探針座 21、81固定環 22、82黏著劑 30、90、9卜 92、 93差動探針 31針頭 32同軸線 33、42套管 34絕緣體 35信號線 351第一端 352第二端 40同軸探針 41單芯同軸線 5 卜 52、53、54、 55、56銲點 602跳線區 70跳線 71保護膜 72金屬線 83金屬薄膜 20 182 probe card 10, 60 circuit board 101 upper surface 102 lower surface 103 test area 104, 601 wiring area η, 14, 15, 16, 17, 18, 61 electronic circuit 12, 171 first wire 13 second wire 130 Grounding wire 131 Grounding through hole 132 Grounding layer 20, 80 Probe holder 21, 81 Fixing ring 22, 82 Adhesive 30, 90, 9 92, 93 Differential probe 31 Needle 32 Coaxial line 33, 42 Sleeve 34 insulator 35 signal line 351 first end 352 second end 40 coaxial probe 41 single core coaxial line 5 Bu 52, 53, 54, 55, 56 solder joint 602 jumper area 70 jumper 71 protective film 72 metal line 83 metal film 20 18
Claims (1)
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TW094139174A TW200719115A (en) | 2005-11-08 | 2005-11-08 | Probe card able to send differential signaling pair |
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TW094139174A TW200719115A (en) | 2005-11-08 | 2005-11-08 | Probe card able to send differential signaling pair |
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TWI299113B true TWI299113B (en) | 2008-07-21 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108022848A (en) * | 2016-11-01 | 2018-05-11 | 稳懋半导体股份有限公司 | Improvement type coaxial probe structure |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI400449B (en) * | 2009-08-10 | 2013-07-01 | Mpi Corp | Probe card having an expanded power plane, a structure of the expanded power plane and method thereof |
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2005
- 2005-11-08 TW TW094139174A patent/TW200719115A/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108022848A (en) * | 2016-11-01 | 2018-05-11 | 稳懋半导体股份有限公司 | Improvement type coaxial probe structure |
CN108022848B (en) * | 2016-11-01 | 2020-10-27 | 稳懋半导体股份有限公司 | Improved coaxial probe structure |
Also Published As
Publication number | Publication date |
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TW200719115A (en) | 2007-05-16 |
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