WO2006117961A1 - 半導体パッケージ及びその製造方法 - Google Patents
半導体パッケージ及びその製造方法 Download PDFInfo
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- WO2006117961A1 WO2006117961A1 PCT/JP2006/307087 JP2006307087W WO2006117961A1 WO 2006117961 A1 WO2006117961 A1 WO 2006117961A1 JP 2006307087 W JP2006307087 W JP 2006307087W WO 2006117961 A1 WO2006117961 A1 WO 2006117961A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01046—Palladium [Pd]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01077—Iridium [Ir]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01078—Platinum [Pt]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01079—Gold [Au]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1204—Optical Diode
- H01L2924/12044—OLED
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15311—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a ball array, e.g. BGA
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
Definitions
- the present invention provides a wiring part located on one side of a substrate and a wiring part located on the other side.
- the present invention also relates to a semiconductor package in which wiring is connected on the side surface by an inkjet method using nano metal particles and a method for manufacturing the same.
- nano metal particles have been developed.
- the material include copper, silver, and gold. These fine particles have a great feature that they can be drawn directly by an ink jet method.
- nano metal particles are contained in an organic solvent, and a desired pattern is drawn by an inkjet method that is practically used in a printer.
- Precious metals such as silver and gold are not easily oxidized, but copper is more easily oxidized than silver and gold.
- a heat treatment (about 200 to 300 ° C) is required to evaporate the organic solvent and adhere the copper particles together.
- the copper surface is oxidized during the heat treatment. Since nano-metal particles have a large proportion of atoms in the surface portion, there is a problem that the wiring resistance increases due to the formation of surface copper oxide.
- Patent Document 1 Japanese Patent Laid-Open No. 2002-75999
- An object of the present invention is to solve such problems and easily manufacture and supply a double-sided electrode package without requiring a through electrode technique. This makes it possible to manufacture wafer-level double-sided electrode packages, lead frame-type double-sided electrode packages, or organic-substrate-type double-sided electrode packages (BGA type). It is also effective as a package for sound, magnetism, pressure, etc.
- the side wiring is formed by an ink jet method using nano metal particles.
- the object is to solve the problem that the wiring resistance increases due to the formation of surface copper oxide, to reduce the resistance after drawing, and to enable mounting on a semiconductor.
- the first wiring portion located on one side of the substrate and the second wiring portion located on the other side are connected by wiring.
- a side electrode connected to the first wiring part is formed, and a second wiring part is formed on the insulating layer formed on the substrate.
- the exposed end of the second wiring portion that is formed when the semiconductor package is completely cut into individual pieces and the side electrode are wired by an inkjet method using nano metal particles.
- the nano metal particles used for wiring by the ink jet method are nano copper metal particles, and the metal copper oxide particles are reduced by atomic hydrogen. And / or removal of organic matter.
- the semiconductor package and the method of manufacturing the same according to the present invention include a booster electrode on one side of a substrate on which an LSI formation surface and a first wiring portion are located, and a side electrode connected to the first wiring portion.
- a booster electrode on one side of a substrate on which an LSI formation surface and a first wiring portion are located, and a side electrode connected to the first wiring portion.
- the side electrodes protruding into the scribe line are also cut at the same time so that the side electrodes are exposed at the end face of the knocker.
- An image sensor forming surface and a transparent insulating film are formed on one side of the substrate, and light from the outside can enter the light receiving element region of the image sensor forming surface through the transparent insulating film. In this way, an image sensor package can be configured.
- the substrate is composed of an organic substrate and a semiconductor chip cover bonded on the organic substrate.
- the first wiring part includes a side electrode connected to a metal pad part formed on the uppermost layer of the organic substrate, and is collectively molded on the semiconductor chip electrically connected to the wiring pattern of the organic substrate.
- an insulating layer is formed by sealing with, and a second wiring portion is wired on the insulating layer. Wiring is performed between the exposed end of the second wiring portion formed when the semiconductor package is completely cut into individual semiconductor packages and the side electrode by an inkjet method.
- the semiconductor package and the manufacturing method thereof of the present invention also constitute a semiconductor chip force in which the substrate is bonded onto the lead frame and its die pad.
- the first wiring portion includes an inner lead portion and an outer lead portion of the lead frame, and a semiconductor chip electrically connected to the inner lead portion of the lead frame is sealed by batch molding to form an insulating layer.
- a second wiring portion is wired on the insulating layer.
- the outer lead part for electrically connecting the lead frame to the surrounding circuit is exposed to the side face of the outer lead section only on the back face of the lead frame to form a side electrode. Wiring is performed by an inkjet method between the exposed end of the second wiring portion formed when completely cut into individual semiconductor packages and the side electrodes.
- a double-sided electrode package is possible without forming a through-hole, so that it can be used as a package for various sensors (sound, magnetism, pressure, etc.) in addition to application to a conventional mobile phone. Even it becomes effective.
- the present invention is easily applied to a wafer level without requiring a through electrode technology with a relatively large chip size (for example, 5mm or more) in a device such as a cellular phone that requires high-density mounting.
- Type double-sided electrode package can be manufactured and supplied.
- a lead frame type double-sided electrode package or an organic substrate type double-sided electrode package (BGA type) that can be used in a field that has a small chip size and cannot be handled at the wafer level.
- DSP packages directly connected to microphones are effective for LSIs with small processing processor chips such as magnetic sensors and pressure sensors. Since normal lead frame technology can be used, it can be provided at low cost.
- the present invention reduction is performed under reduced pressure with atomic hydrogen (H) decomposed by a hot-wire metal catalyst, so that the reduction activity is much higher than that of molecular hydrogen. Therefore, the reduction temperature can be lower.
- H atomic hydrogen
- the present invention can be applied to the manufacture of semiconductor devices, and in particular, can achieve low resistance after wiring drawing using copper.
- FIG. 1 is a top view and a side view of a chip showing a first example in which a double-sided electrode package of the present invention is applied to a wafer level semiconductor.
- FIG. 2 is a chip rear view and a side view showing a first example in which the double-sided electrode package of the present invention is applied to a wafer level semiconductor.
- FIG. 3 is a cross-sectional view of the semiconductor device taken along the post electrode portion.
- FIG. 4 is a diagram showing redistribution performed by inkjet using nano metal particles on the back surface of a semiconductor wafer.
- FIG. 5 is a diagram for explaining cutting of a chip.
- Figure (A) showing the fully cut state after chip cutting in the case of half-cutting, and completed drawing (B) after insulating the entire side of the silicon substrate. ).
- FIG. 7 Same view as Fig. 6, but with a complete cut without half-cutting
- FIG. 2A is a view after cutting
- FIG. 4B is a completed view (B) in which side wiring is performed after insulation.
- FIG. 8 This is a view similar to FIG. 7, but shows a view (A) in which insulation of the silicon substrate cut side surface is applied only to a necessary portion and a completed view (B) after side wiring.
- FIG. 9 is a perspective view and a side view showing a second example in which the double-sided electrode package of the present invention is applied to a lead frame.
- FIG. 10 is a view showing the inside and a cross section of a lead frame.
- FIG. 11 is a bottom view and a side view of the lead frame.
- FIG. 12 is a diagram exemplifying a lead frame in a state of being collectively molded into an island shape.
- FIG. 13 is a diagram illustrating wiring and bump electrodes formed on the mold front surface.
- FIG. 14 is a diagram illustrating a lead frame package in a cut state.
- FIG. 15 is a progress diagram in which only one wiring is completed.
- FIG. 16 is a perspective view and a cross-sectional view showing a third example in which the double-sided electrode package of the present invention is applied to an organic substrate type.
- FIG. 17 is a perspective view and a side view showing a third example in which the double-sided electrode package of the present invention is applied to an image sensor package.
- FIG. 18 is a schematic cross-sectional view of a processing apparatus used as a copper wiring cleaning apparatus.
- FIG. 1 and 2 are a top view and a back view, respectively, of a chip showing a first example in which the double-sided electrode package of the present invention is applied to a wafer level semiconductor.
- a semiconductor substrate having a thickness of several hundred meters is prepared, and then a circuit (circuit element) is formed on the LSI formation surface of the upper surface (first main surface) of the semiconductor substrate.
- a multilayer wiring portion is formed on the upper surface of the semiconductor substrate.
- the side on which the LSI forming surface and the multilayer wiring portion formed on the semiconductor (Si) substrate are located is referred to as the upper surface side, and the opposite side is referred to as the back surface (second main surface) side. It is called.
- the illustrated double-sided electrode package is characterized by side wiring that connects the upper surface side and the back surface side.
- an LSI formation surface and a multi-layer wiring part (LSI upper surface rewiring) are formed (not shown) and further connected to a predetermined position on the LSI upper surface rewiring.
- multiple columnar Cu post electrodes (see Fig. 3) are formed there.
- the post electrode is covered with an upper surface insulating layer, and a bump electrode for external connection is provided at the tip.
- a back insulating layer is applied to the back side of the Si substrate illustrated in FIG.
- Backside rewiring is performed on this backside insulating layer.
- the back surface rewiring is connected to a desired portion of the multilayer wiring portion on the upper surface side through the side surface wiring as a feature of the present invention.
- the side surface wiring is performed by connecting the side surface electrode formed on the upper surface side and the back surface electrode formed on the back surface side by an ink jet method, and details thereof will be described later.
- a protective film is applied over the backside rewiring. Further, an opening is provided in the protective film on the bump forming part on the rewiring, and the bump electrode is formed here.
- a stacked semiconductor device is configured that includes bump electrodes for external connection on both the upper surface side and the back surface side, and can be used by being stacked with other semiconductor devices or the like.
- FIG. 3 showing a cross-sectional view of the semiconductor device cut at the post electrode portion.
- a semiconductor (Si) substrate having a thickness of several hundred meters is prepared, and then a circuit (circuit element) is formed on the LSI formation surface on the upper surface side of the semiconductor substrate.
- a multilayer wiring portion (rewiring portion) is formed by means such as lithography and ink jet (not shown).
- a post electrode and a side electrode formed as described later are connected through the multilayer wiring portion.
- a columnar Cu post electrode and a side electrode having the same height are respectively connected thereto. A plurality are formed simultaneously.
- the side electrode is arranged so as to straddle both the chip end and the scribe line so as to be exposed when the wafer is cut into individual chips.
- an upper surface insulating layer is formed on the upper surface of the semiconductor substrate.
- the post electrode is covered with an upper insulating layer.
- an insulating organic resin such as epoxy resin or polyimide resin is used.
- the upper surface insulating layer is formed by, for example, a plastic mold (wafer upper surface mold).
- the surface of the upper insulating layer is polished so that the tip of the post electrode is exposed. If the polishing amount is large, the thickness of the post electrode is shortened, and the thickness of the upper insulating layer is also reduced.
- a back insulating layer is formed on the back side of the semiconductor substrate.
- the thickness of the back surface insulating layer should be at least a thickness that can achieve electrical insulation.
- the back insulating layer may be turned up, and the wafer force may be cut with a knife.
- the half-cut should be halfway through the back insulating layer so that the wiring material that has entered in the groove formed by the no-cut cut will not short-circuit with the silicon substrate.
- back electrode wiring (rewiring) is performed on the back insulating layer.
- This back electrode wiring is performed by an ink jet method.
- the wiring material enters the groove formed by the half cut.
- a semiconductor wafer having a large area is prepared, and after that, through each process, it is finally cut and separated vertically and horizontally to form a large number of semiconductor elements (semiconductor chips).
- Fig. 4 shows the rewiring performed by ink jetting using nano metal particles on the back surface of the semiconductor wafer. Alternatively, this rewiring can be done by screen printing.
- FIG. 5 is a diagram for explaining such chip cutting.
- a unit circuit including predetermined circuit elements is formed on the upper surface of a semiconductor wafer having a large area.
- the unit circuits are aligned and formed vertically and horizontally on the upper surface of the wafer.
- each process including the formation of the post electrode and the side electrode and the formation of the insulating film is performed at the wafer level.
- a large number of semiconductor elements are formed by cutting and separating vertically and horizontally.
- the side electrode is disposed so as to straddle both the chip end and the scribe line so as to be exposed when the wafer is cut into individual chips.
- FIG. 6 is a diagram (A) showing a state where the chip is cut in a completely cut state when half cut is performed, and side wiring after insulating the entire side surface of the silicon substrate.
- the completed drawing (B) is shown.
- Fig. 7 shows the same view as Fig. 6 after cutting the chip (A) and the completed drawing (B) with side wiring after insulation, but it is completed without half-cutting. The case where it cut
- disconnected completely is shown.
- FIG. 8 is a view similar to FIG. 7, but shows a view (A) in which the insulation of the side surface of the silicon substrate cut is applied only to a necessary portion and a completed view (B) after the side wiring.
- the silicon substrate cut surface is insulated before side wiring.
- this insulation can be performed by forming an insulating film over the entire side surface of the silicon substrate cut.
- an insulating film can be partially formed only at a location where side wiring is performed later.
- These insulating films are formed, for example, by applying an insulating material (for example, epoxy resin) by an ink jet method.
- side wiring is performed after insulating the side surface of the silicon substrate.
- This side wiring is performed by connecting a side electrode formed on the top surface side of the chip and a back surface electrode formed on the back surface side of the chip by an ink jet method using nano metal particles.
- Inkjet systems for performing side wiring include nano metal particles such as gold, silver, platinum, palladium, tungsten, nickel, tantalum, bismuth, lead, indium, tin, zinc, titanium, aluminum, etc.
- the low resistance metal is used.
- dirt and oxides due to an organic solvent on a copper wiring formed by an inkjet method using nano-copper metal particles are removed at a low temperature of room temperature to 200 ° C. Details thereof will be described later.
- solder resist on the chip side and backside rewiring are formed on the back side and the top side, respectively. This is because, on each side, an opening is formed in the insulating film on the bump forming portion, and a bump electrode is formed here.
- the bump electrodes formed on the upper surface side and the back surface side are, for example, bump electrodes made of solder balls, gold balls, copper balls plated with gold on the surface, protruding electrodes by screen printing and heating, or by forming convex portions by inkjet. Electrodes etc.
- the semiconductor device described above has been described by taking as an example a bare chip laminated structure including bump electrodes for external connection on both the upper surface and the back surface.
- Such a semiconductor device can be stacked with another semiconductor device on the upper surface, the lower surface, or both.
- the semiconductor devices to be stacked are aligned so that the connection portions overlap, and the protruding electrodes of the connection portions are temporarily heated and melted and bonded through the furnace body. By this lamination fixing, a laminated semiconductor device can be manufactured.
- FIG. 9 shows a perspective view and a side view showing a second example in which the double-sided electrode package of the present invention is applied to a lead frame type double-sided electrode package.
- the semiconductor chip side above the lead frame is referred to as the front surface
- the opposite lead frame side is referred to as the bottom surface.
- the illustrated lead frame type double-sided electrode package is characterized by the side wiring that connects the front wiring and the tip of the lead frame exposed to the side. Side wiring at the necessary locations between the lead frame end face (side electrode) and the wiring on the front surface is performed by an ink jet method. A solder resist is applied to the side surface and the surface, and bump electrodes for external connection are formed.
- the lead frame type double-sided electrode package will be further described.
- FIG. 10 is a view showing the inside and the cross section of the lead frame.
- FIG. 11 shows a bottom view and a side view of the same lead frame.
- the semiconductor chip is bonded on the die with Ag paste or the like (chip die bond).
- a force exemplifying one semiconductor chip It is possible to stack a plurality of chips.
- the inner lead of the lead frame and the semiconductor chip are connected by Au wire (wire bond). Alternatively, a flip chip bond can be used.
- the outer lead part for electrically connecting the lead frame to the surrounding circuit has a tip section only on the lower surface of the lead frame. It is also exposed on the side. After wire bonding, the lead frame is sealed with epoxy resin to protect against external stress and contamination.
- Fig. 12 shows an example of a lead frame that has been molded into an island shape.
- a half cut (concave or V-shaped cut) for chip separation is performed.
- a number of lead frames are formed simultaneously from a metal plate such as a Pd-plated Cu alloy.
- wiring and bump electrodes are formed on the mold front surface (the bump electrodes may be formed later).
- This wiring is performed by an inkjet method or screen printing.
- this wiring can be easily connected to the end surface (side electrode) of the lead frame later by adopting a structure in which part of the wiring protrudes into the side half-cut part (in the formed groove).
- FIG. 14 illustrates the lead frame package in a cut state. There is still no connection between the lead frame end face (side electrode) and the wiring on the front face.
- FIG. 15 shows a progress diagram in which only one wiring is completed. After wiring is complete, apply solder resist to the side and front surfaces. At this stage, the bump forming part can be opened to form the bump electrode.
- FIG. 16 is a perspective view and a cross-sectional view showing a third example in which the double-sided electrode package of the present invention is applied to an organic substrate type.
- Figure 16 illustrates a BGA type double-sided electrode package using a multilayer organic substrate.
- (A) is the front view
- (B) is the bottom view
- (C) is the wire bond connection method
- (D) shows a cross-sectional view similar to (C) but of the flip-chip connection method.
- the semiconductor chip side located on the organic substrate is referred to as the front surface
- the opposite organic substrate side is referred to as the lower surface.
- the LSI chip is bonded to a multilayer organic substrate with an insulating die bond material (chip die bond). Although one LSI chip is illustrated, it is possible to stack a plurality of chips.
- a wiring pattern is formed on each layer of a single-layer or multiple-layer substrate, and then these substrates are bonded together, and the wiring patterns of each layer are connected as necessary.
- Through-holes are formed.
- a conductor layer is formed inside the through hole, and this conductor layer is connected to a land which is an end face electrode portion formed on the lower surface side. That is, the conductor layer of the through hole does not necessarily become a land as it is.
- bumps for external connection can be formed on this land by attaching a solder material.
- Such a multi-layer or single-layer organic substrate is, for example, a small so-called “Nonder ball”, and a non-material rounded bumper is mounted on the bottom surface (BGA: Ball Grid Array). It is known as an organic substrate.
- a metal pad portion serving as a bonding wire connecting electrode is formed and wiring to the electrode is formed.
- the metal pad portion on the upper surface of the multilayer or single-layer organic substrate and the LSI chip are connected by an Au wire (wire bond) similarly to the lead frame type described with reference to FIG.
- the LSI chip can be flip-chip connected.
- the LSI chip is connected through the uppermost wiring pattern of the multilayer or single layer organic substrate.
- the side surface electrode is formed on the outermost position of the multilayer organic substrate on the metal pad portion formed on the uppermost layer of the multilayer or single layer organic substrate.
- the side electrodes can be formed by stud bumps or ball bonds.
- bumps stud bumps
- ball bonds Conventionally, a technique is known in which bumps (stud bumps) are formed on the electrodes of a semiconductor chip and the bumps are directly bonded to the electrodes formed on the mounting substrate.
- stud bumps can be formed as side electrodes by using a technique known per se.
- the tip of a wire such as gold is heated and melted to form a ball, and then the ball is thermocompression-bonded to the metal pad portion together with ultrasonic waves, and then the wire is cut. By doing so, it is attached as a side electrode.
- the side electrode is placed in the cutting area of the organic substrate, and is placed at a position where the cut surface is exposed during cutting.
- the chip is cut to be separated.
- half cutting concave or V-shaped for chip separation can be performed before wiring.
- a structure in which a part of the side half-cut portion (inside the formed groove) projects is provided, and wiring connection with the subsequent side electrode is facilitated.
- FIG. 17 is a perspective view and a side view showing a fourth example in which the double-sided electrode package of the present invention is applied to an image sensor package.
- an image sensor chip package is, for example, a package for an image sensor LSI, an infrared sensor LSI, a temperature sensor LSI, or the like.
- An image sensor forming surface is formed on the upper surface (lower surface in the figure) of the semiconductor (Si) substrate.
- the image sensor formation surface is a light-receiving element such as a CMOS circuit element or CCD that constitutes the sensor and a control unit that controls the light-receiving element, and a predetermined wiring layer in the multilayer wiring unit is formed on the side electrode.
- a transparent insulating film is formed on the upper surface of the semiconductor substrate. Through this transparent insulating film, a light beam of an external force can be made incident on the light receiving element region of the image sensor forming region.
- the configuration of the chip back side can be configured in the same manner as the first example described with reference to FIGS. That is, the back surface insulating layer is applied on the back surface side of the Si substrate. Backside rewiring is performed on this backside insulating layer. This backside rewiring is a feature of the present invention. Through the surface wiring, it is connected to a desired portion of the multilayer wiring portion on the upper surface side. A protective film is applied on the backside rewiring. Further, an opening is provided in the protective film on the bump forming portion on the rewiring, and a bump electrode is formed here.
- the present invention is a force that uses nano metal particles.
- dirt and oxides due to an organic solvent in copper wiring are not less than room temperature. Remove at a low temperature of 200 ° C or less. This will be described below.
- a copper wiring is formed by an inkjet method.
- Nano copper metal particles are contained in an organic solvent, and a desired pattern is drawn by an ink jet method which is practically used in a printer. Thereafter, heat treatment is performed by evaporating the organic solvent.
- the present invention removes dirt and oxides due to organic solvents from the copper wiring thus formed.
- heat treatment for evaporating the organic solvent is performed, copper oxide is formed by surface oxidation of copper, which can also be removed by subsequent atomic hydrogen treatment.
- this invention is applicable also when not performing the heat processing which evaporates an organic solvent.
- the heat treatment is not performed, the organic solvent is contained, but the organic solvent can be removed by an atomic hydrogen treatment performed later.
- FIG. 18 is a schematic cross-sectional view of a processing apparatus used as a copper wiring cleaning apparatus. From the gas inlet on the upper surface of the reaction chamber, a raw material containing hydrogen such as hydrogen, ammonia, hydrazine or the like is fed as a raw material for atomic hydrogen or ammonia decomposition species through a cleaning gas supply mechanism.
- a raw material containing hydrogen such as hydrogen, ammonia, hydrazine or the like is fed as a raw material for atomic hydrogen or ammonia decomposition species through a cleaning gas supply mechanism.
- a substrate heating mechanism such as a heater is installed immediately below the reaction chamber, and the sample (substrate) force is placed on the sample stage in the reaction chamber immediately above the heating mechanism with the deposition surface facing upward.
- a catalyst body made of, for example, tungsten wire is installed between the shower head for diffusing the gas from the gas inlet and the sample, and the inflowing gas is decomposed by heating the catalyst body to a high temperature by the catalyst body heating mechanism.
- atomic hydrogen or ammonia decomposing species are generated by a catalytic decomposition reaction with a heated catalyst. Copper oxides are formed by reducing atomic hydrogen.
- Organic contaminants can be removed by the formation of hydrocarbons through the reaction of atomic hydrogen and carbon.
- a compound containing nitrogen which is a raw material of atomic hydrogen or ammonia decomposition species
- a compound containing nitrogen for example, ammonia or hydrazine
- atomic nitrogen is generated simultaneously with atomic hydrogen by bringing the compound gas into contact with a heated catalyst body, and the metal surface oxide film is reduced by atomic hydrogen and / or organic substances are removed.
- the metal surface can be nitrided with atomic nitrogen.
- the catalyst body material includes tantalum, molybdenum, vanadium, rhenium, platinum, thorium, zirconium, yttrium, hafnium, palladium, iridium, ruthenium, iron, nickel, chromium, aluminum, One material of silicon or carbon, single oxide of these materials, single nitride of these materials, single carbide of these materials (excluding carbon), these material forces Two or more selected forces Mixed crystals or compound oxides, or two or more of these selected material strengths or mixed crystals or compound nitrides or any of these materials (excluding carbon) selected two or more selected force Any one of powerful mixed crystals or compound carbides can be used.
- the temperature of the catalyst body is, for example, a temperature range of 1000 ° C. to 2200 ° C. in the case of a tungsten catalyst body.
- the raw material supply mechanism in FIG. 18 is for supplying, for example, hexamethyldisilazane silane used for depositing a SiN-based film, if necessary.
- the vacuum system is for exhausting residual reaction gas.
Abstract
Description
Claims
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JP2007514522A JP4635209B2 (ja) | 2005-04-26 | 2006-04-04 | 半導体パッケージの製造方法 |
US11/911,990 US7838983B2 (en) | 2005-04-26 | 2006-04-04 | Packaged semiconductor device and method of manufacturing the packaged semiconductor device |
KR1020077024617A KR101189100B1 (ko) | 2005-04-26 | 2006-04-04 | 반도체 패키지 및 그 제조 방법 |
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JP (1) | JP4635209B2 (ja) |
KR (1) | KR101189100B1 (ja) |
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Cited By (7)
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JP2009218470A (ja) * | 2008-03-12 | 2009-09-24 | Casio Comput Co Ltd | 半導体素子およびその製造方法並びに半導体装置およびその製造方法 |
JP2009277969A (ja) * | 2008-05-16 | 2009-11-26 | Fujikura Ltd | 半導体装置及びその製造方法並びに半導体装置積層体 |
JP2009277970A (ja) * | 2008-05-16 | 2009-11-26 | Fujikura Ltd | 回路配線基板実装体 |
JP2010097990A (ja) * | 2008-10-14 | 2010-04-30 | Fujikura Ltd | 部品内蔵形回路配線基板 |
JP2010517303A (ja) * | 2007-01-25 | 2010-05-20 | アナログ デバイシス, インコーポレイテッド | ウェハレベルcspパッケージコンセプト |
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JP2015070053A (ja) * | 2013-09-27 | 2015-04-13 | 富士電機株式会社 | 接合組立装置 |
Also Published As
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TWI305034B (ja) | 2009-01-01 |
JPWO2006117961A1 (ja) | 2008-12-18 |
KR20080003832A (ko) | 2008-01-08 |
US20090140364A1 (en) | 2009-06-04 |
US7838983B2 (en) | 2010-11-23 |
JP4635209B2 (ja) | 2011-02-23 |
KR101189100B1 (ko) | 2012-10-10 |
TW200703589A (en) | 2007-01-16 |
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