201006565 . 六、發明說明： 【發明所屬之技術領域】 本發明係關於形成膠圖案於基板之點膠機以及利用點膠機 形成膠圖案之方法。 【先前技術】 點膠機是一種於製造各種平面板顯示器(FPDs)時，以預定 圖案塗佈膠(密封劑)於基板而黏合或密封基板之裝置。 ❹ 此類點膠機包含其上供裝設基板之平台、裝配有用以排出 膠之喷嘴的頭單元、支樓頭單元的頭支撲件、以及插置於頭單 元及頭支撐件之間並移動頭單元於頭支撐件延伸方向(X軸方向) 之X軸驅動單元。點膠機配備有複數頭單元，其同時形成複數 膠圖案於大面積基板上，因而改善生產力。 此類點膠機於调整喷嘴及基板間的間隙時，形成膠圖案於 赢上。為達此目的頭單元包含量測喷嘴與基板間之間隙的 ❹雷射j立移感測器’以及移動喷嘴及雷射位移感測器於ζ轴方向 2 /旦向）之ζ轴驅動單元。再者，頭單元裝配有截面積感 的:陷t:測塗佈於基板之膠圖案之截面積，因而檢視膠圖案 相隔=位移感測11包含發射雷射光之發射部，以及與發射部 接收雷射光之接收部。雷射位移感測器輸出電 虛白°恭二制早兀，而量測基板及喷嘴間之間隙，其中電訊f卢斜 射部發射並域缺射之雷射細料職位置。、、 3 201006565 一截面積感測器發射雷射光到形成於基板上之膠圖案，以掃 描膠圖案，並根據反射的雷射光所擷取的資料來量測膠圖案的 截面積。基於戴面積感測器量測的截面積資料，決定膠圖案是 否有缺陷。 然而，習知點膠機的問題在於截面積感測器具有不同的量 測參考，而當各截面積感測器量測均勻塗佈之膠圖案時，根據 截面積感測器會量測到不同的截面積。如此一來，為何值會根 據截面積感測器而改變的原因在於，外在環境的變化、塗佈膠 的物件種類(例如基板或玻璃）、以及安裝截面積感測器到頭元 程序的誤差。 因此，習知點膠機的問題在於，生產平面板顯示器的誤差 可能肇因於各截面積感測器量測值的差異。 【發明内容】 因此，本發明有鑒於上述習知技術發生的問題，本發明之 ❹目的在於提供-種點膠機以及—種姻點膠機形成卵案之方 法’其中在點膠機塗佈膠之前或之後，利用提供膠圖案之截面 考的參考單兀’校正裝設於頭單元之截面積感測器，而 改。戴面積感測器的量測精確性，因此避免產生缺陷產品。 為了達成上述目的，本發明提供一種點膠機，包含：平台， 置ΐ板；頭單元，包含用於排出膠之喷嘴，以及用口於 口/ ^土板上之膠圖案之截面積之截面積感測器；以及灸 考早兀，提供卵案之截_之參考，以校域面積感測器: 4 201006565 且右ΐίί元可包含：平板；以及至少—樣品，其塗佈於板並 /、有預s遠面積。參考料之板可建構成安置於平台上。 ㈣為了達成上述目的，本發明提供—種利用點膠機形 -膠，案之方法’點膠機具有供安置基板於其上之平台、頭單 含用於排㈣之喷嘴以及量測形成於基板上之膠圖案 籍夕Μ之絲賊測11、以及參考單元，提供卵案之截面 二2 以校正截面積感測器，此方法包含：第一步驟，比 ❿ =并^之膠圖案之截面積之參考與截面積感測器之量測 的-量測誤差；以及第二步驟，利用於第—步驟傾測到 的置測誤差，校正戴面積感測器。 小參f單元可包含平板以及塗佈於板並具有預設戴面積之至 乂樣时，且第一步驟可包含：（a)利用截面積感測器量測樣品 之截面積；以及⑼比較於⑷步驟量測之樣品之截面積與樣品之 預設截面積。 本^法可包含：安置塗佈有樣品之板於平台；以及於執行 (a)步驟如，移動板或截面積感測器至少其中之一到可量測位置。 '法可包含：在第二步驟執行後，再次執行第一步驟，以決 定是否校正戴面積感測器，以及當偵測到量測誤差 、 行第二步驟。 钒 【實施方式] 於後參考伴隨圖式，將說明根據本發明之點膠機以及利 用點膠機形成膠圖案之方法。 5 201006565 為顯雜據本發明之點膠機之透視圖，圖 之點膠，之頭單元之透視圖，圖3為顯示圖丨之點。”圖 ^心之不意圖’圖4為顯示圖1之點膝機之參考單^之透 如圖丨„标，根縣發明之_機包 :3〇、-對線性運動_導引件4〇、 = _ ❹201006565 . VI. Description of the Invention: [Technical Field] The present invention relates to a dispenser for forming a glue pattern on a substrate and a method for forming a glue pattern by using a dispenser. [Prior Art] A dispenser is a device for applying a glue (sealant) to a substrate in a predetermined pattern to bond or seal a substrate when manufacturing various flat panel displays (FPDs).此类 This type of dispenser includes a platform on which the substrate is mounted, a head unit equipped with a nozzle for discharging glue, a head member of the branch head unit, and a head unit and a head support The X-axis driving unit that moves the head unit in the extending direction of the head support (X-axis direction). The dispenser is equipped with a plurality of head units that simultaneously form a plurality of glue patterns on a large area substrate, thereby improving productivity. When such a dispenser adjusts the gap between the nozzle and the substrate, a glue pattern is formed to win. In order to achieve this, the head unit includes a ❹-axis laser sensor that measures the gap between the nozzle and the substrate, and a 驱动-axis drive unit that moves the nozzle and the laser displacement sensor in the x-axis direction. . Furthermore, the head unit is equipped with a cross-sectional area: trapping t: measuring the cross-sectional area of the glue pattern applied to the substrate, so that the inspection rubber pattern is spaced apart = the displacement sensing 11 comprises a transmitting portion that emits laser light, and is received by the transmitting portion The receiving portion of the laser light. The output of the laser displacement sensor is illusory, and the gap between the substrate and the nozzle is measured, and the telescope of the telescope is launched. , 2010 201006565 A cross-sectional area sensor emits laser light onto a glue pattern formed on the substrate to scan the glue pattern and measure the cross-sectional area of the glue pattern based on the data captured by the reflected laser light. Based on the cross-sectional area data measured by the wearing area sensor, it is determined whether the rubber pattern is defective. However, the problem with the conventional dispenser is that the cross-sectional area sensor has different measurement references, and when the cross-sectional area sensors measure the evenly applied glue pattern, the sensor is measured according to the cross-sectional area sensor. Different cross-sectional areas. As a result, the reason why the value changes according to the cross-sectional area sensor is that the external environment changes, the type of the glued object (such as the substrate or glass), and the installation of the cross-sectional area sensor to the head unit program. error. Therefore, the problem with the conventional dispenser is that the error in producing a flat panel display may be due to the difference in the measured values of the respective cross-sectional areas. SUMMARY OF THE INVENTION Therefore, the present invention has been made in view of the problems of the above-mentioned prior art, and the object of the present invention is to provide a method for forming a egg-like dispensing machine and a kind of marriage dispensing machine for forming an egg case. Before or after the glue, the reference unit provided with the cross-section of the rubber pattern is used to correct the cross-sectional area sensor installed in the head unit. The measurement accuracy of the area sensor is worn, thus avoiding defective products. In order to achieve the above object, the present invention provides a dispenser comprising: a platform, a raking plate; a head unit comprising a nozzle for discharging glue, and a cross-sectional area of the glue pattern for the mouth/mound plate Area sensor; and moxibustion test, provide a reference to the egg case, to the school area area sensor: 4 201006565 and right ΐ ίί 元 may include: a plate; and at least - sample, which is applied to the plate and /, there is a pre-s long area. The reference material plate can be constructed to be placed on the platform. (4) In order to achieve the above object, the present invention provides a dispensing machine-shaped glue, the method of the method 'the dispensing machine has a platform on which the substrate is placed, the head includes a nozzle for the row (4), and the measurement is formed on The glue pattern on the substrate is measured by the thief of the thief, and the reference unit provides the cross section of the egg case 2 to correct the cross-sectional area sensor. The method comprises: the first step, the ratio of the ❿ = and ^ The measurement of the cross-sectional area and the measurement-measurement error of the cross-sectional area sensor; and the second step of correcting the wearing area sensor by using the measurement error detected by the first step. The small-sized f-unit may include a flat plate and a sample coated on the plate and having a predetermined wearing area, and the first step may include: (a) measuring the cross-sectional area of the sample by using a cross-sectional area sensor; and (9) comparing The cross-sectional area of the sample measured in step (4) and the preset cross-sectional area of the sample. The method may include: placing a plate coated with the sample on the platform; and performing (a), for example, moving the plate or the cross-sectional area sensor to at least one of the measurable positions. The method may include: after the second step is performed, performing the first step again to determine whether to correct the wearing area sensor, and when the measurement error is detected, the second step is performed. Vanadium [Embodiment] Hereinafter, a dispensing machine according to the present invention and a method of forming a rubber pattern using a dispenser will be described with reference to the accompanying drawings. 5 201006565 is a perspective view of the dispensing machine according to the present invention, a perspective view of the dispensing unit, and a perspective view of the head unit, and FIG. 3 is a view showing the point of the drawing. Fig. 4 is a reference diagram showing the point of the knee machine of Fig. 1. The figure is shown in Fig. ,, the invention of the county is _ machine bag: 3 〇, - for linear motion _ guide 4 〇, = _ ❹
===70、以及控制單元(未顯示)二 方=二〇,而基板20安置於平台30上。L ^t〇Tr V° ：""J 〇 5〇 ^ “ :f ϋx軸方向。複數頭單元⑹安裝於頭支 於複數帛# 單70 7G功能在贿了水平移動頭單元60 #方向外，還將侧的頭單元6〇安 支料50。控鮮姑御單元⑼與χ _動單元％ 後移t 置(未顯示)可提供於基框1G上，以於基框10前 後移動平台3〇(γ軸方 - : 二驅動裝置59可裎二 早凡6〇設置的方向)，而第 頭支浐件50。於其/、；碩支撐件50，以沿LM導引件40移動 件50牙m峨土反具有大面積的案例中，可安裝複數頭支撐 件5〇,以增加膠圖案形成程序的效率。 各頭單元60包含埴奋暇 排出膠的喷嘴62、放W ^ 射器6卜與注射11 61相通並 間之Η险二# a +置成郇近噴嘴62並量測喷嘴62與基板20 測器63於貝射位移感測器纪、移動喷嘴62與雷射位移感 ; 向之Y輛驅動單元64、以及移動噴嘴62與雷 201006565 射位移感測器63於Z軸方今之2軸驅動單元65。 雷射位移感測器63包含發射雷測光之發射部631，以及與 ^射。卩631相隔預定距離並接收從基板反射之雷射光之接收 邠632。雷射位移感測器63輸出電訊號到控制單元因而量測 基板2〇與噴嘴62間之間隙，其中電訊號是對應發射部⑶發 射並由基板20反射之雷射光的影像形成位置而產生。 ❹ S者’截面積感測器66可安裝於㈣單元6()，以量測塗佈 T基板2〇之膠圖案P的截面積。如圖3所示，透鏡661提供於 Ϊ面f感測器66，而可在财角度範圍内往復運動及轉動。藉 $斷發射雷射光通過透鏡661到基板2G，以及掃描膠圖案p， 2測膠圖案！>的截面積。利用截面積感測器66量測而得之膠 案P的截面積倾’來決定卵案p是否有缺陷。 Φ 爾祥㈣機裝喊參料元90,其提供膠 之截面積的參考，以校正截面積感測器66。如圖4所干， ^單元9G包含平板91、以及至少—樣品％， 塗佈於板91並具有預設為參雜之截面積。 ’ 之』ΓΐΓ參考單元90之板91之樣品92作為膠圖案p 且將以二樣ί92之截面積由截面積感測器66量測， μ 叙截面積與樣品92之預設截面積之來 ，比較。透過此程序，決定截面 到 截面積。若截面穑咸制突^ θ 置列到精確的 赴品拉办土 、戊“ 66 I測的截面積值與樣品92之 截面積之參考值不同，則校正截面積感測器66。 預5又 7 201006565 〜較佳地，參考單元9〇之板91安置於平么 9感校正不細細設備，^直接應用 目Hr Γ外設備，來校正截面積感測器66。為達此 1的參考早凡90之板91可具有適用於 運匕 時’板91可具有與基板2〇相同的形狀 H、'、。構同 程序呈現相_條件。再者，參考單 材枓，叫供與實際 整合。撕再者參考^ 9〇可與卿機可拆钟地 ❹ 較佳參考單元90可裝配有複數樣品92，以利用一個 =同時校正複數截面誠測器66。再者，參考單元 可塗佈於基板2〇之各個膠圖案p之翁 根據 92 ’因此能免除當應用於點膠機之膠 二 =元9G之需要。#穌發明不_參 =2之數目’若有需要可提供適#數目的樣品％,即一或 的樣品92。在塗佈樣品92於板91後，^ =二置來量測截面積，量測的樣品92的截面積Si 之膠相同的材料製成，以提供與實際程序相同的條:。、土 ί 2 ’根據本發明之點膠機利用截面積感測器66 _ 元，樣品92，以量測樣品92之截面積。將截 =積=測，66讀的截面積值與樣品92的實際截面積之參考 t，乂。^發生量測誤差時’可校正截面積感測器μ的量測誤 是’而改善截面積感測器66的精確性。 8 201006565 於後將參考圖5說明根據本發 應。圖5騎序齡㈣本發顺正操作與敦 流程圖。 _機之截面積感測器之 首先，當水平移動各頭單元6〇於 透過喷嘴62排出注射器61内的向時，藉由 基板20之程序。此時，基於雷射位移=〇6來曰執^佈膠於 喷嘴62間之間隙資料，移 於、=3罝侍基板20與 # Φ 與喷嘴62間之間隙保持固定。2於2轴方向’而使基板20 的截3: 量測形成於基板20上之膠圖案p 二細量得的膠圖案之截面積資料， 於此如上所述，截面積感測器66的量漭丨彳# :::種=外在環境，。因此二：板= 右=截面積感測器66是否精癌量測的步驟。若 里〜m差’則執行校正截面賊㈣％的步驟。 亦即，具有相關截面積值之樣品塗佈 各=能量:獅值之感測器 ::二“ 92之截面積。以此方式量得的樣品92截 杈正截面積感測器66之參考。 、為 在參考單元90安置於平台30後，移動頭單元60使 截面積感測H 66位於參考單元9G之樣品92，或移動平台3〇 9 201006565 或參考單it 9G而使樣品92位於截面贼測E 66。於此狀離， 由截面積感測器66量測樣品92之截面積。於此，於$驟.^；〇， 當提供具有各種戴面積之複數樣品於參考單元9〇之板％上 時’截面積感測H 66㈣具有實際塗佈於基板2〇之截面積大 小的樣品92。 ㈣::驟S20，致動截面積感測器66，來量測樣品兇 鲁 :二步驟S3〇 ’在截面積感測器的量測樣品92 元比贼面賊· 66量得之截面積值與 關樣92之實際截面積之參考值。於步驟_ 積 感測器06是否精準量測枵口 μ 、疋m曲積 考值之間是否有量tr誤1 ^積，亦即，量測值與參 =步驟S5G’當截面積感測器66並未量測到樣品 在校正截__6後再IX Li 。於此， j面積感測器66是否量測到精 = 差。 ^而再次於步驟_決定是否發生量測誤 再者，當截面積感測器砧 面積感測器66的量測誤差到精確值’或精確校正了截 基板2〇安置於·ΪΓ^平心移除參考單元9G，並將 同時，若參考單元9G 塗佈卵餘基板20。 參考單元90的步驟。轉機’則可省略自平台3〇移除 201006565 根據本發明如上述建構及，作之點膠機，裝配有較正截面 積感測H 66之參考單元9〇，而當截面積感測$ 66 #量測參考 因外在環境或塗佈膠之物件改變時，使截面積感測器66量測精 確的值，因此避免產生缺陷產品，並增加產品生產力。 如上所述，本發明提供一種利用參考單元校正各截面積感測器 之點膠機，而能從所有的截面積感測器得到一致的量測值，^ 論外在環境或塗佈膠之物件種類的變化。 … 鲁 因此，根據本發明之點膠機容許截面積感測器量得之截面 積對應實際塗佈於基板之膠圖案之戴面積，而避免產生缺陷產 品’並增加產品生產力。 本發明描述於此的實施例可獨立或彼此結合實施。雖然本 發月為例示目的說明較佳實施例’但熟此技藝者應知在不悖離 本發明申請專利範圍界定之精神與範疇下，可有各種修改添 加、及替換。 ❹ 11 201006565 【圖式簡單說明】 本發明前収其他目的、特徵、舰、以及 下詳細制並配合伴咖式，較加清楚了解，參考以 圖1為顯示根據本發明之點膠機之透視圖；' . 圖2為顯示圖1之點膠機之頭單元之透視圖· 示圖！之點膠機之截面積感測器之示意圖； ^為顯示圖1之點膠機之參考單元之透視圖；以及 5為依序顯示㈣本發賴正师機之截面積感測器之 ❹ 【主要元件符號說明】 10 20 30 40 50 59 60 61 62 63 631 632 64 65 66 基框 基板 平台 線性運動導引件 頭支撐件 第二驅動裝置 頭單元 注射器 喷嘴 雷射位移感测器 發射部 接收部 Y軸驅動單元 z轴驅動早元 截面積感測器 12 201006565 661 透鏡 70 ， X軸驅動單元 90 參考單元 91 平板 92 樣品 ❹ 13===70, and the control unit (not shown) is two sides = two turns, and the substrate 20 is placed on the platform 30. L ^t〇Tr V° :""J 〇5〇^ " :f ϋx axis direction. The complex head unit (6) is mounted on the head branch in the plural 帛# single 70 7G function in bribe horizontal moving head unit 60 #direction In addition, the head unit 6 is also provided with a side support unit 50. The control unit (9) and the _-moving unit % are moved backwards (not shown) to be provided on the base frame 1G to move the base frame 10 back and forth. The platform 3〇 (γ-axis side: : the second driving device 59 can be set in the direction of the second setting), and the first head supporting member 50. in the /, the support member 50, along the LM guide 40 In the case where the moving member has a large area, the plurality of head supporting members 5 可 can be installed to increase the efficiency of the glue pattern forming process. Each head unit 60 includes a nozzle 62 for discharging the glue, and releasing W ^ The emitter 6 is connected to the injection 11 61 and the second is a close to the nozzle 62 and measures the nozzle 62 and the substrate 20 in the shell displacement sensor, the moving nozzle 62 and the laser. Displacement sense; Y drive unit 64, and moving nozzle 62 and Ray 201006565 displacement sensor 63 in the Z-axis of the 2-axis drive unit 65. The laser displacement sensor 63 includes The laser beam emitting portion 631 and the receiving beam 632 spaced apart from the substrate 631 by a predetermined distance and receiving the laser light reflected from the substrate. The laser displacement sensor 63 outputs an electrical signal to the control unit to thereby measure the substrate 2 a gap with the nozzle 62, wherein the electrical signal is generated corresponding to the image forming position of the laser light emitted by the emitting portion (3) and reflected by the substrate 20. The 者S' cross-sectional area sensor 66 can be mounted to the (4) unit 6(), The cross-sectional area of the glue pattern P coated with the T substrate is measured. As shown in FIG. 3, the lens 661 is provided on the facet f sensor 66, and can reciprocate and rotate in the financial angle range. The cross-sectional area of the laser light emitted from the lens 661 to the substrate 2G and the scanning rubber pattern p, 2 is measured. The cross-sectional area of the rubber P is measured by the cross-sectional area sensor 66 to determine the egg. Whether the case p is defective. Φ Erxiang (4) machine installed shouting material 90, which provides a reference for the cross-sectional area of the glue to correct the cross-sectional area sensor 66. As shown in Figure 4, the unit 9G includes a flat plate 91, and At least - sample %, applied to plate 91 and having a cross-sectional area preset to be doped. The sample 92 of the plate 91 of the reference unit 90 is used as the glue pattern p and will be measured by the cross-sectional area sensor 66 in the cross-sectional area of the two layers, the sectional area of the μ and the preset cross-sectional area of the sample 92. Comparison. Through this procedure, the cross-section to the cross-sectional area is determined. If the cross-section of the salt is formed, the θ is set to the exact value of the cross-sectional area of the sample. Then, the cross-sectional area sensor 66 is corrected. Pre-5 and 7 201006565~ Preferably, the reference unit 9 is placed on the board 91 to correct the non-fine device, and the Hr external device is directly applied to correct the cross-sectional area sensor 66. In order to achieve this reference, the plate 91 of the 90 may have a shape suitable for operation. The plate 91 may have the same shape H, ', as the substrate 2'. The constructor presents the phase_condition. In addition, refer to the single material, called the actual integration. The tear-off reference can be made with the detachable clock ❹. The preferred reference unit 90 can be equipped with a plurality of samples 92 to simultaneously correct the complex cross-section detector 66 with one =. Furthermore, the reference unit can be applied to the respective glue pattern p of the substrate 2 according to 92 ' thus eliminating the need for the glue 2 = 9G applied to the dispenser. #许发明不_参 = number of 2' If necessary, provide a sample number of %, i.e., sample 92 of one or two. After the sample 92 is applied to the plate 91, the cross-sectional area is measured by two =, and the cross-sectional area of the sample 92 is measured to be the same material as the glue to provide the same strip as the actual procedure: , ί 2 ' The dispenser according to the present invention utilizes a cross-sectional area sensor 66 _ element, sample 92 to measure the cross-sectional area of the sample 92. The cutoff = product = measured, the cross-sectional area value of 66 reads and the actual cross-sectional area of sample 92 are referenced, 乂. ^ When the measurement error occurs, the error of the correctable cross-sectional area sensor μ is ', and the accuracy of the cross-sectional area sensor 66 is improved. 8 201006565 The present invention will be described hereinafter with reference to FIG. Figure 5: The age of the ride (four) is the right operation and the flow chart. The cross-sectional area sensor of the machine first, when the head unit 6 is horizontally moved to discharge the direction in the syringe 61 through the nozzle 62, the procedure of the substrate 20 is performed. At this time, based on the laser displacement = 〇6, the gap data between the nozzles 62 and the gaps between the nozzles 62 and the gaps between the nozzles 62 and the nozzles 62 are kept constant. 2, in the 2-axis direction ', the cut-off 3 of the substrate 20: the cross-sectional area of the rubber pattern p measured on the substrate 20 is measured, as described above, the cross-sectional area sensor 66漭丨彳# ::: kind = external environment,. Therefore two: plate = right = cross-sectional area sensor 66 is the step of measuring the cancer. If the difference is ~m, then the step of correcting the section thief (four)% is performed. That is, the sample with the relevant cross-sectional area value is coated with each = energy: lion value sensor:: two "92 cross-sectional area. Sample 92 measured in this way is the reference of the cross-sectional area sensor 66 After the reference unit 90 is placed on the platform 30, the moving head unit 60 causes the cross-sectional area sensing H 66 to be located in the sample 92 of the reference unit 9G, or the moving platform 3〇9 201006565 or the reference single it 9G to place the sample 92 in the cross section. The thief measures E 66. In this case, the cross-sectional area of the sample 92 is measured by the cross-sectional area sensor 66. Here, at the time of < ..^; 〇, when a plurality of samples having various wearing areas are provided in the reference unit 9〇 When the board is on %, the cross-sectional area sensing H 66 (four) has the sample 92 actually applied to the cross-sectional area of the substrate 2〇. (4): Step S20, actuating the cross-sectional area sensor 66 to measure the sample: The second step S3 〇 'measures the sample in the cross-sectional area sensor 92 yuan than the thief face thief · 66 amount of cross-sectional area value and the actual cross-sectional area of the sample 92 reference value. In step _ product sensor 06 whether Accurately measure whether there is a quantity tr between the μ and 疋m curvature test values, that is, the measured value and the parameter = step S5G' when the cross-sectional area sensor 66 does not measure the sample after the correction truncation __6 and then IX Li. Here, the j area sensor 66 measures the fine = difference. ^ and again in step _ decide whether If the measurement error occurs again, when the measurement error of the cross-sectional area sensor anvil area sensor 66 is accurate to 'accurately' or the correction substrate 2 is accurately corrected, the reference unit 9G is removed and the reference unit 9G is removed. At the same time, if the reference unit 9G coats the remaining substrate 20, the step of referring to the unit 90. The transfer 'can be omitted from the platform 3 〇 remove 201006565 according to the present invention as constructed and described above, the dispensing machine is equipped with a correct cross-sectional area The reference unit 9〇 of the H 66 is sensed, and when the cross-sectional area senses the $66 #measurement reference, the cross-sectional area sensor 66 measures the exact value due to the change of the external environment or the glue-coated object, thus avoiding Producing defective products and increasing product productivity. As described above, the present invention provides a dispenser for correcting each cross-sectional area sensor by using a reference unit, and can obtain consistent measurement values from all cross-sectional area sensors, ^ On the changes in the external environment or the type of coated rubber. Therefore, the dispensing machine according to the present invention allows the cross-sectional area sensor to measure the cross-sectional area corresponding to the wearing area of the glue pattern actually applied to the substrate, while avoiding the production of defective products' and increasing product productivity. The embodiments may be implemented independently or in combination with each other. While the present invention has been described for purposes of illustration and description, it will be understood by those skilled in the art that various modifications may be made without departing from the spirit and scope of the invention. Adding and replacing. ❹ 11 201006565 [Simplified description of the drawings] The present invention has other objects, features, ships, and lower detailed systems in conjunction with the accompanying coffee type, which is more clearly understood, and is shown in Fig. 1 according to the present invention. A perspective view of the dispenser; ' . Figure 2 is a perspective view of the head unit of the dispenser of Figure 1; Schematic diagram of the cross-sectional area sensor of the dispenser; ^ is a perspective view showing the reference unit of the dispenser of Fig. 1; and 5 is displayed in order (4) 截 截 截 截 之 之 截 截[Main component symbol description] 10 20 30 40 50 59 60 61 62 63 631 632 64 65 66 Base frame base platform linear motion guide head support second drive unit head unit injector nozzle laser displacement sensor transmitter receiving Part Y-axis drive unit z-axis drive early element cross-sectional area sensor 12 201006565 661 Lens 70 , X-axis drive unit 90 Reference unit 91 Plate 92 Sample ❹ 13