WO2013065420A1 - 電子部品、集合基板及び電子部品の製造方法 - Google Patents
電子部品、集合基板及び電子部品の製造方法 Download PDFInfo
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- WO2013065420A1 WO2013065420A1 PCT/JP2012/074374 JP2012074374W WO2013065420A1 WO 2013065420 A1 WO2013065420 A1 WO 2013065420A1 JP 2012074374 W JP2012074374 W JP 2012074374W WO 2013065420 A1 WO2013065420 A1 WO 2013065420A1
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
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- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
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- H05K2201/10621—Components characterised by their electrical contacts
- H05K2201/10674—Flip chip
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- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0097—Processing two or more printed circuits simultaneously, e.g. made from a common substrate, or temporarily stacked circuit boards
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- H05K3/00—Apparatus or processes for manufacturing printed circuits
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- H05K3/303—Surface mounted components, e.g. affixing before soldering, aligning means, spacing means
Definitions
- the present invention relates to an electronic component having a substrate separated from a collective substrate, and more particularly to an electronic component in which a functional circuit portion of the electronic component element is separated from the upper surface of the substrate and the electronic component element is mounted on the substrate.
- a collective substrate having a plurality of semiconductor chip mounting regions on its upper surface is prepared.
- a large number of electrodes are formed on individual semiconductor element chip mounting regions on the upper surface of the collective substrate.
- a cutting line confirmation pattern is formed on a cutting line when the collective substrate is cut into individual electronic component units.
- the cutting line confirmation pattern is formed in a second region outside the first region where a plurality of semiconductor element chips are mounted. That is, a cutting line confirmation pattern is formed at a position where a cutting line for cutting the collective substrate extends in the second region.
- a sealing resin layer is formed so as to cover the first region. Thereafter, cutting is performed along a cutting line passing through the cutting line confirmation pattern exposed in the second region.
- the dimension between the electrodes of the electronic component chip and the dimension between the electrodes bonded to the electrodes of the electronic component chip on the collective substrate corresponding thereto become smaller. This makes it difficult to position the electronic component element chip.
- the bonding strength may be reduced due to a bonding shift between the bump and the electrode.
- FIG. 15 and 16 are schematic plan views showing examples of such incorrect mounting.
- regions surrounded by cutting lines indicated by broken lines A1 and A2 on the collective substrate 1001 are individual electronic component element mounting regions.
- the electronic component element chip 1002 may be erroneously mounted so as to straddle adjacent electronic component element chip mounting regions.
- individual electronic component element chips may be mounted. Even in such a case, as shown in FIG. 16, when the plurality of substrates 1001A are arranged in a lattice pattern by dividing the collective substrate, the electronic component element chip 1002 still straddles the adjacent substrates 1001A. May be implemented.
- An object of the present invention is to eliminate the above-mentioned drawbacks of the prior art and to obtain an electronic component having a structure in which an electronic component element is securely mounted on a substrate by flip chip bonding, and the electronic component.
- An object of the present invention is to provide a collective substrate and a method for manufacturing the electronic component.
- the electronic component according to the present invention includes a substrate having a plurality of electrodes provided in a rectangular frame region on the upper surface, and is mounted on the upper surface of the substrate, and a functional circuit portion is configured on the lower surface, and the function And an electronic component element provided with a plurality of bumps in a region surrounding the circuit portion.
- the plurality of bumps are bonded to the electrodes on the upper surface of the substrate by a flip chip bonding method so that the functional circuit portion of the electronic component element is located with a gap from the upper surface of the substrate.
- a first electrode arranged along one side of the rectangular frame region, and a second electrode adjacent to the first electrode on the one side
- An identification mark is provided between the electrodes and on or outside the line connecting the outer edges of the first electrode and the second electrode.
- the identification mark has an I-shape and extends in parallel with a straight line connecting the outer edges of the first electrode and the second electrode. .
- the identification mark may be provided along the outer peripheral edge of the substrate. In this case, when the substrate is cut from the collective substrate, the cutting can be performed with high accuracy using the outer peripheral edge of the identification mark.
- the identification mark includes a straight line connecting the outer edges of the first electrode and the second electrode and a boundary line separated by a predetermined distance along the outer peripheral edge of the substrate. You may arrange
- the identification mark is arranged so that the electronic component element does not overlap the identification mark when viewed in plan.
- the identification mark can be confirmed from above even after the electronic component element is mounted. Therefore, after mounting the electronic component elements on the collective substrate, the collective substrate can be cut with high accuracy using the identification mark as a reference.
- the difference between the plurality of inter-electrode pitches in the adjacent first sides and the second side Is different from the difference in pitch between the plurality of electrodes, and the identification mark is provided outside the side where the pitch difference between the electrodes is large. In this case, it is possible to effectively reduce the risk of erroneous recognition of the electronic component element mounting region.
- the identification mark is arranged outside the side where the difference in pitch between the electrodes is large and outside the electrode where the pitch between the electrodes is relatively large. Yes.
- the electronic component element a first electronic component element and a second electronic component element are mounted on the substrate, and the rectangular frame-shaped region Encloses a region where the first electronic component element and the second electronic component element are mounted.
- the plurality of electrodes include four electrodes provided at four corner portions of the rectangular frame-shaped region, At least one electrode has a rectangular shape, and is located on or outside the line connecting the outer edges of the plurality of electrodes provided in the corner portion, and located outside the substrate of the rectangular electrode.
- An L-shaped identification electrode portion is formed so as to be continuous with two sides. In this case, the risk of erroneous mounting of electronic components can be further reduced.
- a substrate provided with a plurality of electrodes in a rectangular frame region on the upper surface, mounted on the upper surface of the substrate, and a functional circuit portion on the lower surface
- an electronic component element in which a plurality of bumps are provided in a region surrounding the functional circuit unit, and the functional circuit unit of the electronic component element is positioned so as to be spaced from the upper surface of the substrate.
- the plurality of bumps are bonded to the electrodes on the upper surface of the substrate by a flip chip bonding method, and the plurality of electrodes are provided with four electrodes provided at four corners of the rectangular frame-shaped region.
- At least one of the four electrodes has a rectangular shape, and is positioned on or outside the line connecting the outer edges of the plurality of electrodes provided in the corner portion, Rectangular electrode substrate outside L-shaped identification electrode portion so as to be continuous to the two sides located are formed, the electronic component is provided.
- the collective substrate according to the present invention is an collective substrate used in the manufacture of the electronic component of the present invention, and the plurality of electrodes and the identification are formed on the upper surface of each substrate part separated into individual electronic component units of the collective substrate. A mark or L-shaped identification electrode portion is formed.
- An electronic component manufacturing method is a method for manufacturing an electronic component according to the present invention.
- the electronic component manufacturing method is a collection of substrate parts each of which constitutes an electronic component.
- a step of preparing a collective substrate on which electrodes are formed, and a plurality of electronic component elements are positioned and mounted on each substrate portion using the identification mark or the L-shaped identification electrode portion according to each electronic component.
- a plurality of electrodes including a first electrode and a second electrode to which an electronic component element is bonded are formed in a rectangular frame-shaped region surrounding a region corresponding to the functional circuit portion on the upper surface of the substrate, Since the identification mark is formed on the line connecting the outer edges of the first and second electrodes or outside the line, and the identification mark is provided in the substrate of each electronic component unit, Electronic components can be reliably mounted on the upper surface of the collective substrate or on the upper surface of a substrate obtained by separating the collective substrate in advance. Therefore, erroneous mounting of electronic components can be reliably suppressed.
- electrodes are formed at the four corners of the rectangular frame-shaped region, and L-shaped identification portions are connected to the outside of the electrodes. Since the identification mark is provided in the component unit substrate, the electronic component can be reliably mounted on the upper surface of the collective substrate or on the upper surface of the substrate obtained by separating the collective substrate in advance. Therefore, erroneous mounting of electronic components can be reliably suppressed.
- FIG. 1A is a plan view of a substrate used in the electronic component according to the first embodiment of the present invention
- FIG. 1B is a schematic front sectional view of the electronic component obtained according to the first embodiment
- FIG. 1C is a plan view of the collective substrate.
- FIG. 2 is a plan view of a substrate used in a modification of the first embodiment of the present invention.
- FIG. 3 is a plan view of a substrate of an electronic component according to still another modification of the first embodiment of the present invention.
- FIG. 4 is a plan view showing a substrate of an electronic component according to the second embodiment of the present invention.
- FIG. 5A is a plan view of a substrate for explaining a modified example of the identification mark arranged at the corner portion of the rectangular frame shape, and FIG.
- FIG. 5B is an identification mark provided at the corner portion. It is an enlarged plan view for demonstrating the shape of this.
- 6 is a plan view showing a substrate of the electronic component of Comparative Example 1.
- FIG. 7 is a plan view illustrating a substrate of the electronic component of the first embodiment.
- FIG. 8 is a plan view of the substrate of the electronic component of the second embodiment.
- FIG. 9 is a plan view of the substrate of the electronic component of the third embodiment.
- FIG. 10 is a plan view of the substrate of the electronic component of the fourth embodiment.
- FIG. 11 is a plan view of the substrate of the electronic component of the fifth embodiment.
- FIG. 12 is a plan view of the substrate of the electronic component of the sixth embodiment.
- FIG. 13 is a schematic diagram for explaining a method for evaluating a deviation in pitch between electrodes in an electronic component.
- FIG. 14 is a diagram showing the evaluation results of the inter-electrode pitch deviation in the comparative example and the example.
- FIG. 15 is a schematic plan view for explaining an example of erroneous mounting of electronic component element chips on a conventional collective substrate.
- FIG. 16 is a schematic plan view showing an example in which an electronic component element is erroneously mounted when a collective substrate is divided into individual substrates and arranged in a lattice pattern in a conventional manufacturing method.
- FIG. 1A is a plan view of a substrate used in the electronic component of the first embodiment of the present invention
- FIG. 1B is a schematic front sectional view showing the electronic component of the present embodiment.
- the electronic component 1 has a substrate 2.
- the substrate 2 is made of an appropriate insulating material such as alumina.
- the substrate 2 has a rectangular planar shape.
- a plurality of electrodes 3 to 6 are formed on the upper surface 2 a of the substrate 2.
- an identification mark 7 is formed.
- the plurality of electrodes 3 to 6 are made of an appropriate metal such as Al or Ag.
- the plurality of electrodes 3 to 6 and the identification mark 7 can be formed of the same material and in the same process, so that the number of manufacturing steps can be reduced and the difference in light reflectance between the electrode and the identification mark is reduced. Since the score value mentioned later can be measured stably, it is preferable.
- the formation method of each of the plurality of electrodes 3 to 6 and the identification mark 7 is not particularly limited, and a thin film formation method such as application / baking of conductive paste or sputtering can be used.
- each of the plurality of electrodes 3 to 6 has a square shape in plan view of the substrate 2.
- the shape of the plurality of electrodes 3 to 6 is not particularly limited, and may be a shape other than a square.
- a rectangle other than a square, that is, a rectangle may be used.
- the electronic component element 8 is mounted on the substrate 2 by a flip chip bonding method.
- the electronic component element 8 has an electronic component main body 9.
- the electronic component main body 9 has a functional circuit portion 9 a at the center of the lower surface of the electronic component main body facing the upper surface 2 a of the substrate 2.
- the portion where the functional circuit portion 9a is provided is indicated by a broken line.
- the electronic component main body 9 is a surface acoustic wave element having a piezoelectric substrate and at least one IDT electrode formed on the lower surface of the piezoelectric substrate. Therefore, the functional circuit portion 9a is a portion where a surface acoustic wave including the IDT electrode is excited.
- the functional circuit portion 9a is disposed with the upper surface 2a of the substrate 2 and the space A therebetween. Thereby, the vibration in the functional circuit unit 9a is not easily disturbed.
- Bumps 10 are arranged around the functional circuit portion 9a.
- the bump 10 and its lower end are joined to the electrodes 4 and 5.
- the bumps 10 are also bonded to the electrodes 3 and 6 in FIG. At least some or all of the bumps 10 are electrically connected to the functional circuit unit 9a.
- an appropriate metal bump such as an Au bump or a solder bump can be used.
- a sealing resin layer 11 is provided so as to cover the electronic component element 8.
- the sealing resin layer 11 is formed to have a space A.
- the feature of the electronic component 1 of the present embodiment is that the identification mark 7 is provided at a specific position.
- the plurality of electrodes 3 to 6 are arranged in a rectangular frame region B indicated by a one-dot chain line. More specifically, a plurality of electrodes 3 to 6 are arranged at the corners of the rectangular frame region B, respectively.
- the plurality of bumps 10 are joined to the plurality of electrodes 3 to 6, respectively. Therefore, the area 9a obtained by projecting the functional circuit portion 9a downward is located inside the area B.
- the identification mark 7 is arranged outside the rectangular frame region B. That is, among the plurality of electrodes 3 to 6, between the electrodes 3 and 4 arranged along one side of the rectangular frame-shaped region B and from the line C connecting the outer edges of the electrodes 3 and 4. Also, an identification mark 7 is arranged on the outside.
- the electrodes 3 and 4 correspond to the first electrode and the second electrode in the present invention.
- the identification mark 7 is an area outside the line C connecting the outer edges of the electrodes 3 and 4 and is provided along the outer peripheral edge 2 b of the substrate 2.
- the identification mark 7 has an I-shape, that is, a rectangular shape, and extends in parallel with the line C.
- a collective substrate 12 is usually prepared as shown in FIG.
- a plurality of electronic component elements 8 are mounted on the collective substrate 12.
- a sealing resin layer (not shown) is formed.
- the collective substrate 12 is cut into individual substrates 2 in order to obtain individual electronic components.
- the identification mark 7 is always provided in each substrate 2.
- the electronic component element 8 can be mounted on a predetermined portion of the substrate 2 with high accuracy and reliability. That is, the identification mark 7 is provided in the substrate 2 in each electronic component 1. Therefore, at the stage of the collective substrate 12, the electronic component element 8 can be mounted on the basis of the identification mark 7 in a narrow region including the region where the individual electronic components 1 are mounted. Therefore, erroneous mounting of the electronic component element 8 can be reliably suppressed.
- the functional circuit portion 9a of the electronic component element 8 faces in a rectangular frame-shaped region including the electrodes 3 to 6 described above. Therefore, even if the substrate 2 is warped or warps at the stage of the collective substrate 12, contact between the functional circuit portion 9a and the substrate 2 or the collective substrate 12 can be reliably prevented. Therefore, it is possible to prevent the functional circuit portion 9a from being damaged. Furthermore, since the identification mark 7 is formed between the plurality of electrodes of the substrate 2, the warp strength of the substrate 2 between the plurality of electrodes increases, so that the amount of warpage of the substrate 2 can be reduced.
- the electronic component element 8 may be mounted after the collective substrate 12 is divided into the substrates 2 in advance. Even in such a case, in the state where the collective substrate 12 is cut and the plurality of substrates 2 are arranged in a lattice shape, the electronic component element is placed on each substrate 2 with reference to the identification mark 7 provided on each substrate 2. 8 can be mounted securely. Therefore, even in this case, erroneous mounting of the electronic component element 8 can be reliably prevented.
- the identification mark 7 has an I-shape and is provided along the outer peripheral edge 2b of the substrate 2. Therefore, the identification mark 7 can be easily recognized.
- FIG. 2 is a plan view of a substrate used for an electronic component according to a modification of the first embodiment of the present invention.
- the identification mark 7 is provided in a region between the above-described line C and the outer peripheral edge 2 b of the substrate 2.
- the identification mark 7 may be provided so as to be separated from the outer peripheral edge 2 b of the substrate 2.
- each substrate 2 is recognized by the identification mark 7, and a plurality of bumps 10 are securely bonded to the electrodes 3 to 6, and the electronic component element 8 is mounted. can do.
- the identification mark 7 is arranged to be separated from the outer peripheral edge 2b, when the collective substrate is cut, for example, the cutter and the identification mark 7 come into contact with each other and the identification mark 7 is deformed or partially. There is no risk of peeling.
- FIG. 3 is a schematic plan view showing another modified example used for the electronic component of the first embodiment.
- a plurality of identification marks 7, 7A are arranged on the upper surface 2a of the substrate 2. More specifically, as in the modification shown in FIG. 2, the identification mark 7 is provided in a region between the line C and the outer peripheral edge 2b, and is on the opposite side facing the outer peripheral edge 2b. An identification mark 7A is similarly provided on the outer peripheral edge 2c side.
- the electronic component element mounting position of each substrate 2 can be determined using the identification marks 7 and 7A. Therefore, erroneous mounting of the electronic component element can be prevented more reliably.
- the mounting position of the electronic component element can be determined with higher accuracy.
- the electronic component element 8 is mounted so that the outer edge of the electronic component element 8 is located at a portion indicated by a broken line in FIG.
- the positional deviation of the electronic component element mounting position can be confirmed by the interval D between the electronic component element 8 and the identification mark 7 and the interval E between the electronic component element 8 and the identification mark 7A. Therefore, the accuracy of the mounting position of the electronic component element 8 can be further increased.
- the shift of the mounting position of the electronic component element 8 can be grasped by visual observation or imaging with a normal camera without using an X-ray image or the like. Therefore, the plurality of bumps 10 shown in FIG. 1 and the electrodes 3 to 6 can be joined with high accuracy.
- FIG. 4 is a plan view showing a substrate used in the electronic component of the second embodiment of the present invention.
- two electronic component elements are mounted on the substrate 21. Therefore, a plurality of electrodes 31 to 36 and a plurality of electrodes 41 to 46 are formed in the two rectangular frame-like regions B1 and B2 indicated by the alternate long and short dash lines.
- the identification marks 37 and 37A and the identification marks 47 and 47A are formed outside the rectangular frame-shaped region B1, respectively.
- the electrodes 31, 33, 34, and 36 are located at the corners of the rectangular frame-shaped region B1.
- the electrodes 32 and 35 are located at the center of the long side of the rectangular frame-shaped region B1.
- the pitch P0 between the electrodes 31 and 32 and the pitch P0 between the electrodes 32 and 33 are equal.
- the pitch P1 between the electrodes 31 and 36 and the pitch P2 between the electrodes 36 and 41 are greatly different. That is, on the outer peripheral edge 21b of the substrate 21, the pitch between the adjacent electrodes is different, and the difference in the pitch between the electrodes is large.
- the identification marks 37 and 47 are provided on the outer peripheral edge 21b side of the outer peripheral edge of the substrate 21 where the difference in pitch between adjacent electrodes is large.
- the identification marks 37A and 47A are also provided on the outer peripheral edge 21c side where the difference in pitch between adjacent electrodes is large.
- the identification marks 37, 37A, 47, 47A have an I-shape, that is, a rectangular shape, like the identification mark 7 of the first embodiment.
- the extending direction of the identification marks 37, 37A, 47, 47A is parallel to the outer peripheral edges 21b, 21c. That is, when the electrodes 31 and 36 are the first and second electrodes, the identification mark 37 is formed outside the line connecting the outer peripheral edges of the electrodes 31 and 36 so as to extend parallel to the line. Yes.
- the plurality of electrodes 31 to 36 and the plurality of electrodes 41 to 46 are provided so as to mount two electronic component elements on the substrate 21 as described above with reference to FIG.
- the structure is almost the same.
- the identification marks 37, 37A, 47, 47A are provided on the individual substrates 21, two electronic component elements can be mounted with high accuracy. That is, erroneous mounting of the electronic component element can be reliably prevented.
- the plurality of electrodes 31 to 36 and 41 to 46 are formed.
- the outer peripheral edges on the side where the difference in pitch between the electrodes is large are provided.
- Identification marks 37, 37A, 47, 47A are provided in parallel so that the length direction extends. In the direction along the outer periphery on the side where the pitch difference between the electrodes is large, it is necessary to mount the electronic component element with higher accuracy.
- the identification marks 37, 37A, 47, 47A are provided as described above, the position of the electronic component element is determined with high accuracy even on the side where the difference in pitch between the electrodes is large. can do.
- FIG. 5A and FIG. 5B are a schematic plan view of a substrate for explaining another example of the shape of the identification mark and an enlarged plan view showing an electrode structure for explaining the shape of the identification mark. is there.
- a plurality of electrodes 1102 to 1105 to which bumps are bonded are provided on the upper surface of the substrate 1101 shown in FIG. 5A, and an L-shaped identification is made on the outside including a line connecting the outer edges of the plurality of electrodes.
- An identification mark is arranged as an electrode part. However, no identification mark is arranged between the first and second electrodes described above.
- the electrode 1102 has a shape in which an L-shaped identification electrode portion 1102a is integrally connected to the electrode on a square electrode. As indicated by a broken line F in FIG. 5B, the identification electrode portion 1102a has an L shape.
- the identification mark has a shape in which square electrode films are shifted in the diagonal direction and overlapped.
- the recognition accuracy of the electrode 1102 at the corner portion can be increased.
- the third embodiment provided with the identification electrode unit 1102a will be clarified in an experimental example described later.
- FIG. 6 is a schematic plan view of the substrate of Comparative Example 1.
- two electronic component elements are mounted as in the second embodiment described above. Accordingly, a plurality of electrodes 1211 to 1216 are provided in one rectangular frame region.
- a plurality of electrodes 1221 to 1226 are provided in another rectangular frame region.
- semicircular protrusions 1211a, 1213a, 1224a, and 1226a are provided toward the corners of the substrate. In such a semicircular protruding portion 1211a and the like, the accuracy of recognizing the electrode position of the corner portion is lower than the structure in which the L-shaped identification electrode portion 1102a is provided.
- the structure of the substrate shown in FIGS. 7 to 12 is as follows.
- the substrate 1201 in FIG. 6 is as described above.
- the substrate 51 of Example 1 shown in FIG. 7 is similar to that of Comparative Example 1 except that the semicircular protrusions are provided in the corner electrodes 31A, 33A, 44A, and 46A as shown in FIG. This is the same as the second embodiment shown in FIG. That is, since the identification marks 37, 37A, 47, 47A according to the present invention are provided, this corresponds to the embodiment of the present invention.
- the substrate 61 of Example 2 shown in FIG. 8 is the same as the substrate 1201 except that the corner electrodes 31B, 33B, 44B, and 46B have the L-shaped identification electrode portion 1102a shown in FIG. It is said that.
- the electrodes 31B, 33B, 44B, and 46B located at the corner portions are L-shaped identification electrode portions as shown in FIGS. 5 (a) and 5 (b). Are the same as those in the second embodiment except that are connected. Therefore, the substrate 71 of the third embodiment shown in FIG. 9 is different from the first embodiment shown in FIG.
- the substrate 81 of the fourth embodiment shown in FIG. 10 is further provided with identification marks 72, 72A, 73, 73A.
- the identification mark is also provided on the side where the pitch between the electrodes is equal.
- Other points are the same as those of the substrate shown in FIG.
- the identification marks 92 and 93 are provided between the regions of the arranged electronic components on which the two electronic component elements are mounted side by side on the upper surface of the substrate. That is, it is outside the outer peripheral edge of the rectangular frame region of the plurality of electrodes surrounding each functional part of the two electronic component elements, but is positioned between the outer peripheral edges of the two adjacent rectangular frame regions.
- identification marks 92 and 93 are provided in the center of the substrate 91.
- Other shapes are the same as those of the substrate shown in FIG. Since the substrate 91 shown in FIG. 11 has the identification marks 92 and 93, it corresponds to an embodiment of the present invention.
- FIG. 12 is a plan view of the substrate 101 corresponding to the sixth embodiment.
- the identification marks 92 and 93 shown in FIG. 11 are added to the substrate 81 shown in FIG. 10, and the corner electrodes 31B, 33B, 44B, and 46B have L-shaped rectangular electrodes.
- the shape identification electrode portions are linked together.
- the recognition accuracy of the mounting positions of the two electronic component elements on each substrate portion was evaluated. More specifically, first, a substrate on which a plurality of samples are formed for each example and comparative example is prepared. Next, image information obtained by photographing the upper surface portion of the substrate serving as a reference for comparison is stored in the storage device. Furthermore, the image capturing position of each identification mark image was shifted from the original position by 1 pitch from the image obtained by capturing the top surface portion of the substrate for each sample without shifting the pitch in the Y direction in FIG. A score value obtained by digitizing the degree of coincidence between the image and the image in 100 levels from 0 to 99 is obtained.
- each score value is considered to be caused by variations in electrode manufacturing and measurement, but has variations according to a normal distribution.
- the above score values shifted by one pitch from the original position were measured for 105 samples on the substrate, and the arithmetic average value AVE and variance ⁇ were obtained.
- the score difference is positive
- the difference in the score value due to the presence or absence of the positional deviation increases. Therefore, it means that the recognition degree of the electronic component mounting position at the time of mounting the electronic component is increased.
- the case where the value of this score difference is positive is good, and the more positive and large the value of score difference is, the better.
- FIG. 14 shows the difference in score for Comparative Example 1 (C1) and Examples 1 to 6 (EX1 to EX6).
- the value of the score difference is increased as compared with Comparative Example 1, and the recognition accuracy of the electronic component mounting position is enhanced. That is, in Examples 1 to 6, according to the present invention, the identification mark provided on the outer peripheral side of the substrate that does not interfere with the functional circuit portion of the electronic component element has a higher recognition accuracy of the electronic component mounting position than Comparative Example 1. It is high and it turns out that a mis-mounting can be suppressed effectively.
- Example 3 and Example 6 in addition to the identification marks 37, 37A, 47, 47A located on the outer peripheral edge side, the L-shaped identification electrode part is provided on the electrode of the corner part.
- the recognition degree of the electronic component mounting position can be increased more effectively.
- the identification marks 37, 37A, 47, 47A are provided on the outer peripheral edge side of the substrate, the recognition accuracy of the mounting position can be improved as compared with the first comparative example.
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Abstract
Description
2…基板
2a…上面
2b,2c…外周縁
3~6…電極
7,7A…識別マーク
8…電子部品素子
9…電子部品本体
9a…機能回路部
10…バンプ
11…封止樹脂層
12…集合基板
21…基板
21b,21c…外周縁
31~36,41~46…電極
31A,33A,44A,46A…電極
31B,33B,44B,46B…電極
31a,33a,44a,46a…識別電極部
37,37A,47,47A…識別マーク
51,61,71…基板
72,72A,73,73A…識別マーク
91,101…基板
92,93…識別マーク
Claims (12)
- 上面の矩形枠状の領域に複数の電極が設けられている基板と、
前記基板の上面に実装されており、下面に機能回路部が構成されており、該機能回路部を囲む領域に複数のバンプが設けられている電子部品素子とを備え、
前記電子部品素子の機能回路部が前記基板の上面と隙間を隔てられて位置するように、前記複数のバンプが前記基板の上面の電極にフリップチップボンディング方式で接合されており、前記基板の上面に形成されている複数の電極のうち、矩形枠状の領域の一辺に沿うように配置された第1の電極と、第1の電極と該一辺において隣り合う第2の電極との間であって、第1の電極及び第2の電極の外側端縁同士を結ぶ線上または該線よりも外側に設けられている識別マークをさらに備える、電子部品。 - 前記識別マークがI字状の形状を有し、前記第1の電極及び第2の電極の外側端縁同士を結ぶ直線と平行に延びている、請求項1に記載の電子部品。
- 前記識別マークが、前記基板の外周縁に沿うように設けられている、請求項1または2に記載の電子部品。
- 前記識別マークが、前記第1の電極及び第2の電極の外側端縁同士を結ぶ直線と前記基板の外周縁に沿って所定の距離で離れた境界線との間の領域に配置されている、請求項1~3のいずれか1項に記載の電子部品。
- 平面視した際に、前記識別マークに前記電子部品素子が重ならないように前記識別マークが配置されている、請求項1~4のいずれか1項に記載の電子部品。
- 第1~第4の辺を有する矩形枠状の領域において、隣り合う第1の辺における複数の電極間ピッチの差と第2の辺における複数の電極間ピッチの差とが異なっており、電極間のピッチの差が大きい辺の外側に前記識別マークが設けられている、請求項1~5のいずれか1項に記載の電子部品。
- 前記電極間ピッチの差が大きい辺の外側であって、電極間ピッチが相対的に大きい電極間の外側に前記識別マークが配置されている、請求項6に記載の電子部品。
- 前記電子部品素子として、第1の電子部品素子と第2の電子部品素子とが前記基板に搭載されており、前記矩形枠状の領域が、前記第1の電子部品素子と第2の電子部品素子とが搭載される領域を囲んでいる、請求項1~6のいずれか1項に記載の電子部品。
- 前記複数の電極が、前記矩形枠状の領域の4つのコーナー部に設けられている4つの電極を有し、該4つの電極のうち少なくとも1つの電極が矩形の形状を有し、
前記コーナー部に設けられた複数の電極の外側端縁同士を結ぶ線上または該線よりも外側に位置し、
該矩形の電極の基板外側に位置する2辺に連なるようにL字状識別電極部が形成されている、請求項1~7のいずれか1項に記載の電子部品。 - 上面の矩形枠状の領域に複数の電極が設けられている基板と、
前記基板の上面に実装されており、下面に機能回路部が構成されており、該機能回路部を囲む領域に複数のバンプが設けられている電子部品素子とを備え、
前記電子部品素子の機能回路部が前記基板の上面と隙間を隔てられて位置するように、前記複数のバンプが前記基板の上面の電極にフリップチップボンディング方式で接合されており、前記複数の電極が、前記矩形枠状の領域の4つのコーナー部に設けられている4つの電極を有し、該4つの電極のうち少なくとも1つの電極が矩形の形状を有し、
前記コーナー部に設けられた複数の電極の外側端縁同士を結ぶ線上または該線よりも外側に位置し、
該矩形の電極の基板外周縁側に位置する2辺に連なるようにL字状識別電極部が形成されている、電子部品。 - 請求項1~10のいずれかに記載の電子部品の製造に用いられる集合基板であって、集合基板の各電子部品に個片化される各基板部の上面に、前記複数の電極及び、識別マーク又はL字状識別電極部が形成されている、集合基板。
- 請求項1~10のいずれかに記載の電子部品の製造方法であって、
個々の電子部品が構成される基板部を集合してなり、上面に各基板部に応じた前記複数の電極が形成されている集合基板を用意する工程と、
個々の電子部品に応じて各基板部に前記識別マーク又はL字状識別電極部を利用して複数の電子部品素子を位置決めし、実装する工程と、
前記複数の電子部品素子を実装する前または実装後に、前記集合基板を複数の基板部からなる複数の基板に切断する工程とを備える、電子部品の製造方法。
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KR1020147011776A KR101594817B1 (ko) | 2011-10-31 | 2012-09-24 | 전자부품, 집합 기판 및 전자부품의 제조방법 |
CN201280053694.4A CN103918071B (zh) | 2011-10-31 | 2012-09-24 | 电子部件、集合基板及电子部件的制造方法 |
JP2013541113A JP5585737B2 (ja) | 2011-10-31 | 2012-09-24 | 電子部品、集合基板及び電子部品の製造方法 |
US14/248,380 US9368464B2 (en) | 2011-10-31 | 2014-04-09 | Electronic component, mother substrate, and electronic component manufacturing method |
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JP2016184789A (ja) * | 2015-03-25 | 2016-10-20 | 京セラ株式会社 | 多数個取り回路配線基板および弾性表面波装置 |
JP2019176007A (ja) * | 2018-03-28 | 2019-10-10 | Fdk株式会社 | 回路基板及びその製造方法 |
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CN107210728B (zh) * | 2015-03-16 | 2020-11-17 | 株式会社村田制作所 | 弹性波装置及其制造方法 |
JP6500700B2 (ja) * | 2015-08-26 | 2019-04-17 | 株式会社村田製作所 | 抵抗素子用の集合基板 |
BE1023850B1 (nl) * | 2016-06-29 | 2017-08-14 | C-Mac Electromag Bvba | Verbeterde elektronische schakeling en substraat met identificatiepatroon voor afzonderlijke elektronische schakelingen en werkwijze voor het produceren daarvan |
CN107613630A (zh) * | 2017-08-30 | 2018-01-19 | 景旺电子科技(龙川)有限公司 | 一种预防混板的方法 |
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KR101594817B1 (ko) | 2016-02-17 |
US9368464B2 (en) | 2016-06-14 |
US20140217581A1 (en) | 2014-08-07 |
KR20140070651A (ko) | 2014-06-10 |
JP5585737B2 (ja) | 2014-09-10 |
JPWO2013065420A1 (ja) | 2015-04-02 |
CN103918071B (zh) | 2016-09-21 |
CN103918071A (zh) | 2014-07-09 |
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