WO1999065075A1 - Dispositif semi-conducteur et procede correspondant - Google Patents
Dispositif semi-conducteur et procede correspondant Download PDFInfo
- Publication number
- WO1999065075A1 WO1999065075A1 PCT/JP1998/002593 JP9802593W WO9965075A1 WO 1999065075 A1 WO1999065075 A1 WO 1999065075A1 JP 9802593 W JP9802593 W JP 9802593W WO 9965075 A1 WO9965075 A1 WO 9965075A1
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- layer
- electrode
- integrated circuit
- semiconductor element
- semiconductor
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Definitions
- the present invention relates to a semiconductor device, a method for manufacturing the same, and a semiconductor module, and more particularly to a technique for forming a semiconductor element into a form mountable on a wafer basis and dividing the semiconductor element into a required size to obtain a target semiconductor device.
- the package structure of a multi-pin semiconductor device has shifted from a structure having connection terminals on two sides of a semiconductor element to a structure having connection terminals on four sides.
- a grid array structure in which connection terminals are arranged in a grid pattern on the entire mounting surface using a multilayer carrier substrate has been put into practical use as a measure for increasing the number of bins.
- a ball grid array structure (BGA) with ball-shaped terminals is used to enable high-speed signal transmission and low inductance.
- organic materials having a lower dielectric constant than inorganic materials are used for the multilayer carrier substrate for high-speed signal transmission.
- organic materials generally have a higher coefficient of thermal expansion than silicon that composes semiconductor devices, and thermal stress caused by the difference in the coefficient of thermal expansion easily causes connection failures such as disconnection and short-circuit, thus improving reliability. There are many issues in planning.
- the manufacturing method of this structure includes many new processes, such as a process of installing a low elastic modulus material on a semiconductor device, a process of connecting a wiring tape, a process of forming a ball terminal, and a process of sealing an electrical connection portion. Because of the need for processes, new manufacturing equipment is required, and since each semiconductor device is assembled individually, there are many disadvantages compared to the conventional method in terms of productivity, and the advantages of high-density mounting using the CSP structure are It is not alive.
- the present invention has been made in view of the above, and the thermal stress generated between a mounting element and a semiconductor element having a grease or Sodley structure that can cope with the increase in the number of pins is reduced by an organic material having a low elastic modulus. Then, it is made into a form that can be mounted on a wafer basis and divided into the required size.It is a low-cost, high-productivity semiconductor device manufacturing method and connection reliability, high-speed signal transmission, multi-pin compatible Provide excellent semiconductor devices and modules. Invention
- the present invention relates to a semiconductor element on which an integrated circuit is formed, a plurality of electrode pads formed on the integrated circuit forming side of the semiconductor element, and an external connection electrically connected to the electrode pad via a conductor layer. And a stress relief layer formed between the bump electrode and the conductor layer and adhered to the bump electrode, the integrated circuit formation surface and the electrode pad, and between the bump electrode and the conductor layer, from the surface of the stress relief layer.
- a semiconductor device is provided in which at least one third is cut away, and the stress relaxation layer is divided into a plurality of regions.
- the present invention provides a plurality of pads formed in a peripheral region of an integrated circuit forming surface of a semiconductor element, external electrodes electrically connected to the pads via a conductor layer, the integrated circuit forming surface, the pads,
- the present invention can be applied to a semiconductor device having an external electrode and a stress buffer layer adhered to the conductor layer.
- the stress relieving layer or the stress buffering layer may be separated into a plurality of pieces and may be independent.
- a sealing tree fl that adheres to the stress relaxation layer can be provided. If necessary, the sealing resin may be provided with a split slit at an appropriate position to lower the apparent elastic modulus and reduce the stress applied to the semiconductor element.
- One third or more may be cut off from the surface of the stress relieving material, and the stress relieving material may be divided corresponding to each conductor layer.
- the stress relieving layer or the stress buffering layer acts to relieve thermal stress generated due to a difference in thermal expansion coefficient between the semiconductor element and the mounting substrate.
- the stress relaxation material, the cushioning material, the elastic layer, the cushioning layer, the cushioning material layer, and the low elastic modulus material layer also have a function of reducing the applied thermal stress.
- the present invention also provides a semiconductor chip having a plurality of unit semiconductor elements on which an integrated circuit is formed, a plurality of electrode pads formed on the integrated circuit forming surface side of the unit semiconductor element, and a conductive layer interposed between the electrode pads.
- An external connection bump electrode, an integrated circuit forming surface of the semiconductor element, the pad, the elastic layer adhered to the bump electrode and the conductor layer, and the elastic layer is formed of the unit semiconductor.
- a semiconductor device wherein each element is divided into a plurality of regions.
- the present invention also provides a semiconductor wafer having a plurality of unit semiconductor elements on which an integrated circuit is formed, a plurality of connection conductors formed on the integrated circuit forming surface side of the unit semiconductor elements, and a conductor layer formed on the connection conductor. And an external electrode for external connection connected via a device, an integrated circuit forming surface of the semiconductor element, the connection conductor portion, the external electrode, and a cushioning material adhered to the conductor layer.
- a semiconductor wafer which is divided into a plurality in a semiconductor element region.
- the present invention provides a semiconductor wafer having a plurality of unit semiconductor elements on which an integrated circuit is formed, and a plurality of electrode pads on the side of the unit semiconductor element on which the integrated circuit is formed.
- a buffer layer adhered to the electrode pad is formed, and the buffer layer is cut into one or more thirds from its surface to divide the buffer layer into a plurality of regions, and the electrode is formed on the divided buffer layer.
- a method for manufacturing a semiconductor device comprising: forming a conductor layer for connecting a pad to a bump electrode for external connection; and forming the bump electrode, and thereafter dividing the unit semiconductor element.
- the present invention provides a semiconductor wafer having a plurality of unit semiconductor elements on which an integrated circuit is formed, and a plurality of conductive pads in a peripheral region of the integrated circuit forming surface of the unit semiconductor element.
- Provided is a method for manufacturing a semiconductor device comprising forming a conductor layer for connecting to a bump electrode and the bump electrode, and thereafter separating the unit semiconductor element.
- the present invention can also be applied to a method of manufacturing a semiconductor device using a semiconductor wafer having a plurality of pads and a center in a central region of an integrated circuit forming surface of a semiconductor element.
- a low elastic modulus material layer is formed on the integrated circuit forming surface of a semiconductor wafer having a plurality of pads by adhering to the integrated circuit forming surface and the pad, and the low elastic modulus material layer is formed. More than one-third of the low elastic modulus layer is cut off from the surface to divide the low elastic modulus layer into a plurality of regions, and on the divided low elastic modulus layer, A conductor layer for connecting the pad to the bump electrode and the bump electrode are formed and separated into chips each including at least one unit semiconductor element.
- the present invention provides a semiconductor wafer having a plurality of unit semiconductor elements on which an integrated circuit is formed, and a plurality of electrode pads on the integrated circuit forming side of the unit semiconductor element.
- the present invention can also be applied to a method for manufacturing a semiconductor wafer in which an independent buffer material is formed for each electrode pad by being adhered to the electrode pad.
- the present invention provides a semiconductor chip having a plurality of unit semiconductor elements, a plurality of electrode pads formed on the unit semiconductor elements, a circuit forming surface of the semiconductor element, the electrode pads, the bump electrodes, and the conductor layer.
- a semiconductor device comprising a bonded stress relaxation layer and a resin sealing layer or a protective coating formed on a circuit forming surface of the unit semiconductor element, wherein the stress relaxation layer is divided into a plurality of regions.
- a semiconductor module characterized by being electrically connected to a mounting substrate via the external connection pump electrode.
- the present invention can also be applied to a semiconductor module in which a plurality of semiconductor devices are electrically connected and mounted on one mounting board.
- pad electrode, pad, conductor connection portion, conductor pad, circuit electrode, connection conductor portion, and circuit pad formed on the circuit formation surface of the semiconductor element all refer to external electrodes or bump electrodes. It means a terminal for connection.
- bump, bump electrode, and external electrode mean external terminals for connection to a mounting board.
- FIG. 1 and 2 are flowcharts showing an example of a method for manufacturing a semiconductor device according to the present invention.
- FIG. 3 is a plan view showing a planar structure of a semiconductor wafer used in the present invention.
- FIG. 4 is a perspective view of the semiconductor device of the present invention.
- 5 and 6 are plan views of the semiconductor device of the present invention.
- FIG. 7 is a flowchart showing a method for forming a stress relaxation layer.
- FIG. 8 is a partial view in the flow step.
- FIG. 9 is a plan view showing a stress relaxation layer and a wiring portion of the semiconductor device of the present invention.
- FIG. 10 is a plan view showing various structures of a semiconductor chip used in the present invention.
- FIGS. 11 and 12 are perspective views showing the overall structure of another example of the semiconductor device of the present invention. You.
- FIG. 13 is a flowchart showing another method of manufacturing a semiconductor device.
- FIGS. 14 and 15 are cross-sectional views showing the structure of a module on which the semiconductor device of the present invention is mounted.
- FIG. 16 is an enlarged perspective view of the stress relaxation layer and the conductor layer of the semiconductor device of the present invention.
- a semiconductor element forming an integrated circuit is, for example, an integrated circuit in which at least one circuit such as a memory, a logic, and a microcomputer is incorporated, and specifically, an LSI, a VLSI, an ULSI, and the like.
- the semiconductor element is formed with an electrode pad, which is an input / output terminal area for enabling input / output of signals to / from the outside, which is electrically connected to a circuit portion on an integrated circuit forming surface side.
- a bump electrode for external connection is formed on the electrode pad via a conductor layer.
- This conductor portion is formed from a conductor layer portion formed as a lead from the electrode pad of the element along the insulating layer wall surface and a bump electrode portion for directly connecting to a mounting substrate.
- the method of forming the conductor portion includes, for example, a method of forming the conductor layer portion and the bump electrode at one time and a method of forming the conductor portion in two steps.
- the material used for the conductor layer is preferably a copper-based material from the viewpoint of low resistance.
- a method of notching the conductor part for example, a method of previously plating or depositing a necessary portion by printing a resist or the like in advance, or a method of plating or depositing the entire surface in advance and leaving only the necessary portion by using a resist or the like, thereby making unnecessary There is a method to remove the part.
- application of a catalyst, optimization of the resist surface condition, etc. are performed.
- an electrodeposition resist is effective because the conductor is formed on the entire surface.
- the conductor portion can be patterned by a series of steps of electrodeposition, exposure, development, and etching of resist.
- etching solution a common copper etching solution such as dilute sulfuric acid, nitric acid, iron chloride, copper chloride, or ammonium persulfate is used.
- the conductor layer is formed along a wall surface of a stress relaxation layer or a buffer layer which becomes a stress relaxation layer having an inclination.
- the conductor layer formed along the inclined wall surface of the stress relaxation layer can be effectively relaxed by continuously changing the conductor width.
- the thickness can be effectively reduced by making the electrode pad side of the semiconductor element thinner and gradually increasing the thickness toward the kkk or r magic side toward the p bump electrode side, which is an external terminal.
- Figure 16 shows a typical example.
- the sealing material is not particularly limited as long as it has a sufficient adhesive force with the insulating layer.
- a material of the same system as the material forming the insulating layer is preferable. If the materials are of the same type, they have similar values of physical properties such as elastic modulus and heat resistance, and have similar chemical structures.
- the stress relaxation layer can maintain the divided state even after sealing, and in other cases, the effect of the division is lost by resin sealing. In the latter case, it is desirable to seal the entire surface with a resin and then to divide it with a laser.
- the sealing method is not particularly limited, there are an injection method using a dispenser, a printing method using a mask, and the like.
- a bump electrode which is an external terminal portion, for electrically connecting the semiconductor element to a mounting substrate via a conductor layer.
- a ball bump, a land bump structure or the like is used for the bump electrode.
- Methods for forming the bump electrode include a plating method, a ball transfer method, and a paste printing method.
- Material is gold, gold and nickel
- a laminated film of gold, a laminated film of gold and copper, and the like are preferable because of good corrosion resistance and excellent mountability. Other various solder composition materials are useful because of their excellent mass productivity.
- a stress relieving layer is formed between the bump electrode and the conductor layer for the purpose of relieving a stress based on a difference in thermal expansion coefficient between the semiconductor element and the mounting board while simultaneously functioning as an insulating layer.
- the stress relaxation layer corresponds to the above-mentioned insulating layer.
- the stress relaxation layer or the buffer layer is a layer having an elastic modulus capable of exhibiting the effects of the present invention, and is preferably a material having a pressure of 0.1 MPa to 1 GPa at room temperature.
- the thickness is not particularly limited, but is preferably in the range of 1 to 150 1m, more preferably in the range of 10 to 200 ⁇ m.
- the stress relaxation layer or the stress buffering material for example, epoxy resin, phenol tree flour, urethane tree 1 ⁇ , maleimide tree, polyimide, polyoxazole, polyfluoroethylene, polysiloxane, Trees such as polybutadiene have flour, and there are copolymers and denatured products.
- the stress relieving layer or the buffer layer can be made porous so as to have a low elastic modulus. However, if this stress relieving layer or buffer layer is divided so as not to apply excessive stress to the semiconductor chip and the conductor layer bump, and if the resin to be sealed is filled in the space, the sealing tree will be removed.
- the resin of the stress relaxation layer itself does not necessarily need to be a low elastic modulus material.
- the stress relaxation layer for example, there is a method in which the wafer on which the circuit is formed is not diced into individual pieces, and the process proceeds to the next stress relaxation layer and external terminal formation process while keeping the wafer size .
- the first step is to form a stress-relaxation layer using low-modulus insulating material that is used as a stress-relaxation layer.
- several methods are conceivable, one of which is the application of a photosensitive material. Photosensitive materials are roughly classified into two types, liquid resin and film.
- a coating film is formed by spin coating, curtain coating, printing, or the like, and an insulating layer (which functions as a stress relaxation layer when disposed on a semiconductor device) is formed on the entire wafer surface.
- an insulating layer can be formed on the entire surface of the wafer by a mouth laminating method, a pressing method, or the like.
- the insulating layer is patterned by exposure using a mask. The patterning is performed to expose the connection pads on the wafer and create the shape of the insulating layer necessary to form the conductor part having the stress relaxation mechanism.
- the stress relaxation layer can be formed by dividing into a plurality.
- a stress relaxation layer having an integrated structure on the entire surface of the wafer is formed, and further, in another subsequent process, a laser is used.
- Another method is to cut more than one third from the surface layer and divide the stress relaxation layer into multiple regions.
- Examples of the photosensitive resin capable of being exposed and developed include a resin composition composed of an acrylic resin, an epoxy resin and an acrylic resin, and a composition of a vinyl ester resin obtained by reacting epoxy resin with acrylic acid and vinyl monomer. Products, polyimides and the like. Many photosensitive insulating materials and rubber modified resin compositions currently used as resist / photo via materials can be applied by selecting the elastic modulus.
- a resist material containing a vinyl ester resin and a photo via (p h o to via) material comprising a resin composition containing an epoxy resin composition and an acrylic resin.
- the temperature is from room temperature to 200 ° C. for mouth-to-luramine overnight
- the pressure is from 0.01 to 10 kgf / cm
- the room temperature is from room temperature to 200 ° C. for the breath method.
- a pressure of 1 to 50 kgf / cm is a preferred condition.
- printing method when screen printing is preferable, printing is generally performed at around room temperature.
- the spin coating method printing is preferably performed at room temperature at a rotation speed of 100 to 100 rpm.
- the ten-coat method printing is preferably performed at room temperature at a speed of 10 to 100 mm / sec.
- UV light is irradiated using a high-pressure mercury lamp or the like for exposure.
- the developer is appropriately selected depending on the resin used, and is not particularly limited. However, it is preferable to use a known alkaline developer.
- Another method of forming the insulating layer is to form a liquid resin or film composed of a general low elastic modulus material that does not have photosensitivity on the entire surface of the wafer by the same method as described above, and use a laser or oxygen. Using a plasma and a mask, the pattern is obtained to obtain a predetermined shape. At this time, oxygen alone or a mixed gas of oxygen and a fluoride such as CF 4 is generally used as the oxygen plasma.
- lasers include excimer lasers, YAG lasers, and carbon dioxide lasers. Of these, carbon dioxide lasers are effective in terms of processing speed and ease of use.
- the material used for the insulating layer does not need to be photosensitive, but is preferably selected based on resin properties such as low elastic modulus and heat resistance.
- Representative low-elasticity materials include epoxy resins, polyimide resins, oxazole resins, cyanate resins, and their modified rubbers and rubber addition systems.
- a porous material is preferable from the viewpoint of lowering the elastic modulus.
- epoxy resins can be cured at a low temperature of around 150 ° C, and the cured products are preferred because of their low hygroscopicity and low cost. No.
- the printing method is a method of patterning a fluid resin using a screen mask or a stencil mask. After printing, a predetermined insulating layer can be obtained by solidifying the resin by a crosslinking reaction by light or heat. This is a simple method.
- the ink jet method and stereolithography method require the introduction of a dedicated device, but can perform finer patterning than the printing method and are effective for forming an insulating layer with a width of 50 m or less.
- vapor deposition and multiphoton polymerization that apply semiconductor circuit formation technology can produce finer shapes and are effective for forming insulating layers with a width of 1 m or less.
- the semiconductor device is characterized in that the stress relaxation layer or the buffer layer is cut off at least one-third from the surface and divided into a plurality of regions on the semiconductor chip.
- the stress relaxation layer or the buffer layer is cut off at least one-third from the surface and divided into a plurality of regions on the semiconductor chip.
- a stress relaxation layer for reducing thermal stress with a mounting substrate, and a structure having a bump electrode as an external terminal thereon wherein the stress relaxation layer has a surface.
- a semiconductor device that is cut away by a third or more from the semiconductor device and divided into a plurality of regions is manufactured in a wafer size and finally divided into individual pieces.
- the stress relaxation layer By cutting the stress relaxation layer at least one-third from its surface and dividing the stress buffer layer into multiple areas, the area that moves in conjunction with absorbing stress is reduced to make it easier to deform. And the stress relaxation effect can be increased. As a result, even when thermal stress due to a temperature cycle or the like occurs between the semiconductor element and the mounting board, the flexibility of the stress relieving layer can be sufficiently exhibited, and the external connection between the semiconductor element and the mounting board can be achieved. The connection reliability of the terminals can be improved. Further, by dividing the stress relaxation layer, the moisture absorbed by the package during storage of the semiconductor device is easily released to the outside at the time of reflow of the mounted product, and the reliability of the package with respect to the riff opening is improved.
- the present invention there is provided a method of manufacturing an individual semiconductor device by preparing an aggregate of semiconductor devices having the above-described configuration in units of wafers and finally separating each of the chips including each unit semiconductor element. Further, since the module equipped with the semiconductor device of the present invention is provided with a semiconductor device having excellent reflow resistance and temperature cycle resistance, the module has higher density and higher reliability than before. At this time, the stress relieving layer can be achieved by performing predetermined patterning using a photosensitive resin, or by patterning a thermosetting resin using a laser or oxygen plasma. Yet another method for forming a stress relaxation layer is as follows.
- the stress relaxation layer is divided by patterning as described above, or by dividing the surface layer by a laser or the like after cutting the surface layer at a predetermined place by forming a stress relaxation layer on the entire surface in advance. There is a way to do it.
- various states of division from a two-partitioning method in which a plurality of bump electrodes are formed on one stress relaxation layer to an independent structure in which each bump electrode is formed on a separate stress relaxation layer. is there.
- FIG. 1 shows an example of a method for manufacturing a semiconductor device according to the present invention.
- FIG. 2 shows a cross-sectional structure of a semiconductor chip per wafer in the manufacturing method of FIG.
- an epoxy-based photosensitive liquid resin is applied by screen printing on the entire surface of the wafer 1 on which the integrated circuit (not shown) is formed.
- the solvent and the electrode pad 2 are dried to obtain a thickness of 150 ⁇ .
- a mask (not shown) is placed thereon, and a cross-linking reaction is advanced to a predetermined portion by UV exposure, followed by patterning with an alkaline developer to form a stress relaxation layer 3 as shown in FIG. 2 (a).
- the electrode pads 2 on the wafer are also exposed by patterning.
- a copper layer having a thickness of ⁇ is formed on the entire surface of the wafer 1 and the stress relaxation layer 3 by electroless copper plating.
- a 5 ⁇ -thick electrodeposited resist is formed to pattern the conductor portion, and then a cross-linking reaction is advanced to a predetermined portion by UV exposure using a mask, and patterning is performed with an alkaline developer. Unnecessary portions of the copper (conductor portion) are removed with an etchant, and the resist is stripped to form the conductor layer 4 shown in FIG. 2 (b).
- an epoxy liquid sealing resin is filled by screen printing as shown in Fig. 2 (c) to protect the joint between the electrode pad 2 on the wafer 1 and the conductor layer 4 formed by the attachment from the external environment.
- the film after curing is not reduced, and good filling and sealing can be performed.
- the sealing resin layer 5 can be cut by laser processing or the like to reduce the stress applied to the chip. It is desirable that the depth of the cutout portion X be one third or more of the thickness of the sealing resin layer.
- a ball-shaped bump electrode 6 shown in FIG. 2 (e) is formed on the exposed portion of the conductor portion by transfer of a solder ball and a riff opening to facilitate electrical connection with a mounting substrate.
- the target semiconductor device 10 is obtained by dividing the wafer into individual pieces.
- FIG. 3 is an example in which electrode pads 2 are formed in two opposing regions around the circuit type surface side of the wafer, and is a plan view of a wafer 1 on which electrode pads 2 that can be used in the present invention are formed.
- FIG. 4 is a perspective view of the semiconductor device of the present invention before a sealing resin layer is formed.
- the sealing resin layer 5 is formed as shown by a dashed line.
- the stress relaxation layer 3 is divided corresponding to the conductor layer 4 connected to the bump electrode 6 or the bump electrode and the electrode pad 2, so that the stress applied to the antenna 1 is minimized. .
- FIGS. 5 and 6 are plan views of the semiconductor device of the present invention.
- FIG. 5 shows a structure in which the electrode pads 2 are formed in two opposing regions around the circuit forming surface
- FIG. 6 shows a structure in which the electrode pads 2 are formed in one direction in the central region of the circuit forming surface.
- Y is a dividing groove cut into the stress relieving layer 3 by more than one third of its thickness, and reduces the apparent elastic modulus of the stress relieving layer to reduce the stress applied to the semiconductor chip. Make it smaller.
- X is a slit formed in the sealing resin layer 5. In FIG. 6, since the position of the electrode pad is the center pad, the dividing groove Y is not provided.
- FIGS. 7 and 8 show a method of forming a resin for forming the stress relaxation layer 11 on the wafer 1 on which the semiconductor circuit is formed only at a predetermined place by an ink jet method. Thereby, the stress relaxation layer 11 is formed on the electrode pad 2 of the chip.
- FIG. 9 shows a top view of one electrode pad of the semiconductor device of FIG. 8 (a).
- a copper film is formed to a thickness of 5 ⁇ on the exposed pattern surface of the stress relaxation layer 1 1 and the surface of the electrode pad 2 on the wafer 1 by sputtering evaporation, and a gold film is formed to a thickness of 0.5 ⁇ . Formed two. In this case, since there is no hole shape having a high aspect ratio or the like, it is possible to uniformly form the conductor layer 12 by vapor deposition.
- the step of etching the conductor layer 12 is unnecessary, the surface of the electrode pad 2 on the wafer 1 is completely covered with the corrosion-resistant metal material. Therefore, resin sealing at the pad bonding interface is generally unnecessary, but resin may be filled to further improve reliability.
- Filling the liquid resin with a dispenser or the like is a simple method that does not require a mask.
- the stress relief layer of the conductor layer obtained by this method has a low elastic modulus convex shape from the wafer surface. This is an external terminal for electrical connection with the mounting board. Therefore, the bump forming step can be omitted.
- a ball-shaped bump may be added to enhance the mountability. Examples of the bump formation method include a paste printing method, a paste-in-jet method, and a ball transfer method.
- the semiconductor chips 14 to 17 can be divided into a single semiconductor element (a) and (b) to (d) including a plurality of unit semiconductor elements.
- FIGS. 11 and 12 show examples of a semiconductor device different from the stress relaxation layer described above.
- the stress buffer layer 19 is formed in a state where it is divided for each row of the bump electrodes 6 as the external terminals.
- FIG. 12 shows an example of a semiconductor device in which the integrated stress relaxation layer 21 is finally divided.
- FIG. 13 shows another method of manufacturing the semiconductor device of the present invention.
- the stress relaxation layer 22 is divided into a plurality of parts as shown in FIG. 13 (a), and there is a void area which is not integrated by the resin even after being sealed with the resin 2 or 3.
- the elastic modulus of the sealing material is not limited, and further, excision by laser or the like becomes unnecessary, so that a manufacturing method with extremely high flexibility can be provided.
- FIG. 14 and 15 are cross-sectional views of a module in which the semiconductor device of the present invention is mounted on a mounting board 25. Since the semiconductor device 10 of the present invention is excellent in reflow resistance and connection reliability, the semiconductor device can be arranged closer to the conventional device as shown in FIG. Mounting is possible, and a highly reliable module can be obtained.
- a structure having a stress relaxation layer for reducing thermal stress with a mounting substrate and external terminals capable of electrically connecting the mounting substrate to a mounting substrate on a wafer on which a semiconductor circuit is formed is manufactured in a wafer unit size.
- the stress relaxation layer formed in the semiconductor device can reduce the thermal stress between the mounting substrate and the element that occurs during the temperature cycle test, thereby ensuring high reliability.
- the size of the device is the same as that of the semiconductor device, and high-density mounting is possible.
- the present invention is useful for providing a semiconductor device excellent in connection reliability between a semiconductor element and a mounting board, high-speed signal transmission, and multi-pin compatibility, and a high-density and high-reliability module using the semiconductor device. is there.
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Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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JP2000553994A JP4176961B2 (ja) | 1998-06-12 | 1998-06-12 | 半導体装置 |
EP98924592A EP1091399A4 (en) | 1998-06-12 | 1998-06-12 | SEMICONDUCTOR DEVICE AND METHOD FOR THE PRODUCTION |
PCT/JP1998/002593 WO1999065075A1 (fr) | 1998-06-12 | 1998-06-12 | Dispositif semi-conducteur et procede correspondant |
AU76746/98A AU738124B2 (en) | 1998-06-12 | 1998-06-12 | Semiconductor device and manufacturing method of same |
US09/446,979 US6396145B1 (en) | 1998-06-12 | 1998-06-12 | Semiconductor device and method for manufacturing the same technical field |
KR10-2000-7002272A KR100449307B1 (ko) | 1998-06-12 | 1998-06-12 | 반도체 장치 및 그 제조 방법 |
CNB988097184A CN100419978C (zh) | 1998-06-12 | 1998-06-12 | 半导体装置及其制造方法 |
CA002301083A CA2301083A1 (en) | 1998-06-12 | 1998-06-12 | Semiconductor device and method for manufacturing the same |
Applications Claiming Priority (1)
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PCT/JP1998/002593 WO1999065075A1 (fr) | 1998-06-12 | 1998-06-12 | Dispositif semi-conducteur et procede correspondant |
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Application Number | Title | Priority Date | Filing Date |
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US09/446,979 A-371-Of-International US6396145B1 (en) | 1998-06-12 | 1998-06-12 | Semiconductor device and method for manufacturing the same technical field |
US10/136,305 Continuation US6710446B2 (en) | 1999-12-30 | 2002-05-02 | Semiconductor device comprising stress relaxation layers and method for manufacturing the same |
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WO1999065075A1 true WO1999065075A1 (fr) | 1999-12-16 |
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PCT/JP1998/002593 WO1999065075A1 (fr) | 1998-06-12 | 1998-06-12 | Dispositif semi-conducteur et procede correspondant |
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EP (1) | EP1091399A4 (ja) |
JP (1) | JP4176961B2 (ja) |
KR (1) | KR100449307B1 (ja) |
CN (1) | CN100419978C (ja) |
AU (1) | AU738124B2 (ja) |
CA (1) | CA2301083A1 (ja) |
WO (1) | WO1999065075A1 (ja) |
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CN109839232B (zh) * | 2019-01-25 | 2021-11-05 | 上海交通大学 | 应变传感器及其形成方法、应变传感器阵列及其形成方法 |
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- 1998-06-12 EP EP98924592A patent/EP1091399A4/en not_active Withdrawn
- 1998-06-12 CN CNB988097184A patent/CN100419978C/zh not_active Expired - Fee Related
- 1998-06-12 AU AU76746/98A patent/AU738124B2/en not_active Ceased
- 1998-06-12 JP JP2000553994A patent/JP4176961B2/ja not_active Expired - Fee Related
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Cited By (17)
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KR100526061B1 (ko) * | 1999-03-10 | 2005-11-08 | 삼성전자주식회사 | 웨이퍼 상태에서의 칩 스케일 패키지 제조 방법 |
US7312533B2 (en) | 2000-03-31 | 2007-12-25 | Infineon Technologies Ag | Electronic component with flexible contacting pads and method for producing the electronic component |
JP2006080555A (ja) * | 2000-10-20 | 2006-03-23 | Silverbrook Research Pty Ltd | 集積回路キャリヤを製造する方法 |
JP4658772B2 (ja) * | 2000-10-20 | 2011-03-23 | シルバーブルック リサーチ ピーティワイ リミテッド | 集積回路パッケージを製造する方法 |
WO2002035607A3 (de) * | 2000-10-23 | 2002-10-03 | Siemens Ag | Halbleiter-anordnung und verfahren zur herstellung von derartigen halbleiter-anordnungen |
WO2002035607A2 (de) * | 2000-10-23 | 2002-05-02 | Siemens Aktiengesellschaft | Halbleiter-anordnung und verfahren zur herstellung von derartigen halbleiter-anordnungen |
JP2002217227A (ja) * | 2000-12-29 | 2002-08-02 | Samsung Electronics Co Ltd | 熱応力吸収インタフェース構造体とこれを用いたウェーハレベルパッケージ及びその製造方法 |
JP2003086531A (ja) * | 2001-09-07 | 2003-03-20 | Seiko Instruments Inc | パターン電極作製法およびその作製法で作製されたパターン電極 |
JP2005167135A (ja) * | 2003-12-05 | 2005-06-23 | Seiko Epson Corp | 導電パターンの形成方法、配線の形成方法、半導体装置の製造方法、回路基板の製造方法、電子部品の製造方法、並びに、導電パターン、配線、半導体装置、回路基板、電子部品、電子機器 |
JP4639586B2 (ja) * | 2003-12-05 | 2011-02-23 | セイコーエプソン株式会社 | 導電パターンの形成方法、配線の形成方法、半導体装置の製造方法、回路基板の製造方法、並びに、電子部品の製造方法 |
US7348269B2 (en) | 2005-01-12 | 2008-03-25 | Seiko Epson Corporation | Manufacturing method of semiconductor device, semiconductor device, circuit board, electro-optic device, and electronic apparatus |
JP2007059514A (ja) * | 2005-08-23 | 2007-03-08 | Seiko Epson Corp | 半導体装置 |
US7777332B2 (en) | 2005-11-07 | 2010-08-17 | Seiko Epson Corporation | Semiconductor device |
US8115309B2 (en) | 2005-11-07 | 2012-02-14 | Seiko Epson Corporation | Semiconductor device |
WO2008065926A1 (fr) * | 2006-11-28 | 2008-06-05 | Panasonic Corporation | Structure de montage de composant électronique et procédé de fabrication correspondant |
US8120188B2 (en) | 2006-11-28 | 2012-02-21 | Panasonic Corporation | Electronic component mounting structure and method for manufacturing the same |
JP2011086680A (ja) * | 2009-10-13 | 2011-04-28 | Nec Corp | 多層配線基板および多層配線基板の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN100419978C (zh) | 2008-09-17 |
JP4176961B2 (ja) | 2008-11-05 |
CN1272959A (zh) | 2000-11-08 |
EP1091399A1 (en) | 2001-04-11 |
AU738124B2 (en) | 2001-09-06 |
AU7674698A (en) | 1999-12-30 |
KR100449307B1 (ko) | 2004-09-18 |
KR20010023622A (ko) | 2001-03-26 |
EP1091399A4 (en) | 2002-01-16 |
CA2301083A1 (en) | 1999-12-16 |
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