WO2005024933A1 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
- Publication number
- WO2005024933A1 WO2005024933A1 PCT/JP2003/011121 JP0311121W WO2005024933A1 WO 2005024933 A1 WO2005024933 A1 WO 2005024933A1 JP 0311121 W JP0311121 W JP 0311121W WO 2005024933 A1 WO2005024933 A1 WO 2005024933A1
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- WO
- WIPO (PCT)
- Prior art keywords
- lead
- frame
- semiconductor device
- sheet member
- semiconductor chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/70—Fillings or auxiliary members in containers or in encapsulations for thermal protection or control
- H10W40/77—Auxiliary members characterised by their shape
- H10W40/778—Auxiliary members characterised by their shape in encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/30—Die-attach connectors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/01—Manufacture or treatment
- H10W74/016—Manufacture or treatment using moulds
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
- H10W70/40—Leadframes
- H10W70/421—Shapes or dispositions
- H10W70/435—Shapes or dispositions of insulating layers on leadframes, e.g. bridging members
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
- H10W72/07331—Connecting techniques
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/075—Connecting or disconnecting of bond wires
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/50—Bond wires
- H10W72/551—Materials of bond wires
- H10W72/552—Materials of bond wires comprising metals or metalloids, e.g. silver
- H10W72/5522—Materials of bond wires comprising metals or metalloids, e.g. silver comprising gold [Au]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/851—Dispositions of multiple connectors or interconnections
- H10W72/874—On different surfaces
- H10W72/884—Die-attach connectors and bond wires
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/731—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors
- H10W90/736—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors between a chip and a stacked lead frame, conducting package substrate or heat sink
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
- H10W90/756—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked lead frame, conducting package substrate or heat sink
Definitions
- the present invention relates to a method of manufacturing a semiconductor device, and more particularly to a method of manufacturing a semiconductor device having a ring-shaped par lead.
- a semiconductor device having improved heat dissipation As a semiconductor device having improved heat dissipation, a semiconductor device having a structure in which a heat spreader (sheet member) is adhered to an end portion of an inner lead via an insulating adhesive material is known, and a semiconductor chip is disposed at a center on the heat spreader. It is mounted on the part.
- a structure having a par lead also referred to as a pass par
- the par lead has a frame shape (square ring shape)
- the par lead is a tip of a semiconductor chip and an inner lead. It is located in the area between the groups.
- Such a semiconductor device is described in PCTZ J P03 / 06151.
- the inventor has studied the assembly of the semiconductor device. As a result, during resin molding, wire shortage is caused by the flow pressure of the sealing resin, and when a small tab (a tab smaller than the chip back) structure is adopted, the sealing resin does not easily flow around the chip back. Was found to be a concern.
- Japanese Patent Application Laid-Open No. 9-252720 describes a lead frame in which an inner lead and a connecting portion for connecting the tip thereof are attached to a heat spreader via an adhesive layer and a method of manufacturing the lead frame.
- an inner lead and a connecting portion for connecting the tip thereof are attached to a heat spreader via an adhesive layer and a method of manufacturing the lead frame.
- Another object of the present invention is to manufacture a semiconductor device for improving the reliability of a product. It is to provide a method.
- the present invention provides a step of preparing a lead frame in which a sheet member and the tip end portions of a plurality of inner leads are joined via an insulating thermoplastic adhesive; a step of disposing the lead frame on a stage; Arranging a semiconductor chip on the sheet member of a lead frame, and joining the semiconductor chip to the sheet member via the heated and softened thermoplastic adhesive. The semiconductor chip and the thermoplastic adhesive are joined while pressing the front end of the semiconductor chip against the stage.
- FIG. 1 is a cross-sectional view illustrating an example of the structure of a semiconductor device according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view illustrating an example of a structure of a lead frame used for assembling the semiconductor device illustrated in FIG.
- FIG. 3 is a cross-sectional view illustrating an example of a chip transfer state during die bonding in assembling the semiconductor device illustrated in FIG. 1
- FIG. 4 is a cross-sectional view illustrating an example of a chip pressing state during die bonding in assembling the semiconductor device illustrated in FIG.
- FIG. 5 is a cross-sectional view showing an example of a state after die bonding in assembling the semiconductor device shown in FIG. 1.
- FIG. 1 is a cross-sectional view illustrating an example of the structure of a semiconductor device according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view illustrating an example of a structure of a lead frame used for assembling the semiconductor device illustrated in
- FIG. 6 is a cross-sectional view showing an example of a state after wire bonding in assembling the semiconductor device shown in FIG.
- FIG. 7 is a cross-sectional view showing an example of a mold clamping state at the time of resin molding in the assembly of the semiconductor device shown in FIG. 1.
- FIG. 8 is a resin at the time of resin molding in the assembly of the semiconductor device shown in FIG.
- FIG. 9 is a cross-sectional view showing an example of an inserted state
- FIG. 9 is a cross-sectional view showing an example of a structure after resin molding in assembling the semiconductor device shown in FIG. 1
- FIG. 10 is a semiconductor device according to a second embodiment of the present invention.
- FIG. 11 is a cross-sectional view showing an example of the structure of the semiconductor device.
- FIG. 11 is a plan view showing an example of the structure of the -lead frame used for assembling the semiconductor device shown in FIG.
- FIG. 12 is a cross-sectional view showing an example of a state after die bonding in assembling the semiconductor device shown in FIG. 10, and FIG. 13 is a sectional view showing an example of the state of assembling the semiconductor device shown in FIG.
- FIG. 14 is a cross-sectional view showing an example of a state after the shear bonding
- FIG. 14 is a cross-sectional view showing an example of a mold clamping state during resin molding of the assembly of the semiconductor device shown in FIG. 10
- FIG. FIG. 16 is a cross-sectional view showing an example of a resin injection state during resin molding in assembling a semiconductor device.
- FIG. 16 is a cross-sectional view showing an example of a structure after resin molding in assembling the semiconductor device shown in FIG. 10.
- FIG. 18 is a plan view showing an example of a wiring state in assembling the semiconductor device according to the third embodiment of the present invention.
- FIG. 18 is a plan view showing an example of a wiring state in assembling the semiconductor device according to the fourth embodiment of the present invention. .
- the constituent elements are not necessarily essential, unless otherwise specified and in cases where it is considered essential in principle. Needless to say.
- the semiconductor device of the first embodiment shown in FIG. 1 is a resin-encapsulated semiconductor having high heat dissipation. This is a package.
- the QFP (Quad Flat Package) 11 in which the auta lead 1 e is formed into a gull-wing shape will be described.
- a plurality of inner leads 1 d, a plurality of outer leads 1 e formed integrally with the inner lead 1 d, and an insulating heat source are provided at the tips of the plurality of inner leads 1 d.
- Heat spreader 1b which is a sheet member joined via plastic adhesive 1c, par lead 1f, which is a square ring-shaped common lead arranged inside a plurality of inner leads 1d, and ring-shaped par lead
- the semiconductor chip 2 joined to the heat spreader 1b on the inner side of 1f via the thermoplastic adhesive 1c, the pad (electrode) 2c of the semiconductor chip 2 and the corresponding inner lead 1d, and It comprises a plurality of conductive wires 3 such as gold wires for connecting the pads 2c and the par leads 1f, and a sealing body 4 for sealing the semiconductor chip 2 and the plurality of wires 3 with resin.
- thermoplastic adhesive 1c is an adhesive whose glass transition temperature is equal to or higher than the heating temperature (for example, about 230.C) at the time of wire bonding, and preferably equal to or higher than 250 ° C.
- the temperature at which the thermoplastic adhesive 1c softens is equal to or higher than the heating temperature during wire bonding, and preferably equal to or higher than 250 ° C.
- thermoplastic adhesive 1c softens and the inner lead 1d moves on the thermoplastic adhesive 1c or peels off from the thermoplastic adhesive 1c. Can be prevented.
- a wire 3 of a power supply potential or a GND potential is connected to a ring-shaped par lead 1 f which is a common lead.
- the lead frame 1 shown in FIG. 2 having the heat spreader 1b joined by the welding is prepared.
- each inner lead 1d, the par lead 1f, and the quadrangular heat spreader 1b are joined to each other via a thermoplastic adhesive 1c.
- the heat spreader lb has a sheet shape corresponding to the 1d row of inner leads, has a square shape, and has a chip mounting function.
- a punched hole (first through hole) lg formed by cutting the lead is formed outside each of the square ring-shaped par leads 1 #.
- the punched holes lg formed between the inner lead 1d group and the par lead 1f are formed adjacent to the tip of each inner lead 1d and along the column direction of the inner—Fid. Accordingly, four elongated punched holes 1 g are formed between the plurality of inner leads 1 d and the adjacent square par lead 1 f (see FIG. 11).
- the lead frame 1 is placed on the heat stage 6 (stage). At that time, the heat stage 6 is previously heated to a predetermined temperature (for example, 30 CTC or more). Thus, after the lead frame is placed on the heat stage 6, heat is transmitted from the heat stage 6 to the thermoplastic adhesive 1c via the heat spreader 1b, and when the temperature reaches a predetermined temperature, the thermoplastic adhesive 1c starts to soften.
- a predetermined temperature for example, 30 CTC or more
- the semiconductor chip 2 is sucked and held by the collet 5 and transferred, and the semiconductor chip 2 is arranged above the chip mounting area of the heat spreader 1 b of the lead frame 1.
- the collet 5 is lowered while the semiconductor chip 2 is being sucked and held by the collet 5, and the back surface 2b of the semiconductor chip 2 is attached to the thermoplastic adhesive 1c on the heat spreader 1b. Join.
- the semiconductor chip 2 is heated and softened by the thermoplastic adhesive 1 c while being pressed against the heat stage 6 by the heat spreader 7. Join to the material 1 c.
- thermoplastic adhesive 1c is softened, but the inner leads 1d and the pearl leads 1f are pressed against the heat stage 6 by the holding jig '7.
- the lead 1 d can be die-bonded without peeling off from the thermoplastic adhesive 1 c or moving on the thermoplastic adhesive 1 c 5, without breaking the inner lead 1 d.
- die bonding can be performed only with the thermoplastic adhesive 1c without using a special die bonding material.
- the step of applying the die bond material can be omitted, and the assemblability of the semiconductor device (10QFP11) can be improved.
- the pad 2 c (see FIG. 1) of the semiconductor chip 2 is electrically connected to the corresponding inner lead ld and par lead 1 f by the conductive wire 3.
- a first mold 8a (lower mold) and a second mold 8b (upper mold) prepare a pair of molding dies 8, and among the molding dies 8,
- the surface of the lead frame 1 on which the semiconductor chip 2 is not mounted, that is, the back surface 1j, is placed on the mold surface 8e of the first mold 8a on which the gate 8d is formed. Clamp the mold 8a and the second mold 8b.
- the plurality of inner leads 1 d, the plurality of semiconductor chips 2, the plurality of wires 3, and the heat spreader 1 b are covered by the cavities 8 c of the molding die 8.
- the sealing resin 9 is injected into the cavity 8c of the molding die 8.
- the sealing resin 9 injected into the cavity 8 c Flows along the back surface 1 j side of the lead frame 1 and covers the heat spreader 1 b to fill the cavity 8 c on the back surface 1 j side, and through the opening adjacent to the gate of the lead frame 1 to the front surface 1 j. It also flows into the k-side cavity 8c and fills the surface 1k-side cavity 8c.
- the sealing resin 9 injected into the back surface 1 j side is formed by the injection pressure during the flow of the resin flow 10 through the punching hole 1 formed between the inner lead 1 d and the par lead 1 f. g flows into the surface 1 k side and pushes up the wire 3 that connects to the inner lead 1 d arranged on the surface 1 k side as shown in part A of FIG. That is, since the gate 8 d is arranged on the back surface 1 j side of the lead frame 1, the sealing resin 9 flows from the back surface 1 j side of the lead frame 1 between the inner lead 1 d and the par lead 1 f. The wire 3 can be pushed up and the wire 3 can be stretched because it flows into the surface 1 k side so as to boil through the punched hole 1 g.
- the sealing resin 9 is filled in the cavities 8c on the front and back surfaces to form the sealing body 4 in which the resin molding shown in FIG. 9 is completed.
- the semiconductor device according to the second embodiment shown in FIG. 10 is a resin-sealed QFP 12 having a heat spreader (sheet member) lb in order to enhance heat dissipation, similarly to the QFP 11 according to the first embodiment.
- the difference from the QFP 11 of the first embodiment is that the tab 1 h, which is a chip mounting portion, which is much smaller than the back surface 2 b of the semiconductor chip 2 on the heat spreader 1 b, has an insulating property. This is provided via the adhesive member (adhesive material) 13.
- the QFP 12 is a semiconductor device having a small tab structure.
- the structure of QF PT2 is explained as follows: a plurality of inner leads Id and-, a plurality of outer leads 1e formed integrally with the inner lead 1d, and insulation at the tips of the plurality of inner leads 1d Heat spreader 1 b joined via a flexible adhesive member 1 3 And a square ring-shaped par lead 1 f arranged inside the plurality of inner leads 1 d, and fixed on the heat spreader lb inside the ring-shaped par lead 1 f via an insulating bonding member 13,
- the tab 1 h which is a chip mounting part much smaller than the back surface 2 b of the semiconductor chip 2, the semiconductor chip 2 mounted on this tab 1 h, the pad (electrode) 2 c of the semiconductor chip 2, and the like
- a plurality of conductive wires 3 such as gold wires connecting the corresponding inner leads 1 d and pads 2 c and the par leads 1, and the semiconductor chip 2 and the plurality of wire
- the QFP 12 shown in FIG. 10 has a small tab structure in which the semiconductor chip 2 is mounted on a small tab 1 h provided on the heat spreader 1 b via an insulating bonding member 13. .
- the tab lh is connected to four suspension leads 1i as shown in FIG. 11, and the suspension lead 1i is insulated from the ring-shaped par lead 1 ⁇ ⁇ ⁇ by a punched hole 1g. However, the suspension lead 1 i and the innermost par lead 1 f may be connected.
- a through hole 1 m as a second through hole provided in the heat spreader 1 b is formed around the tab 1 h.
- the through hole 1 m is a hole for allowing the sealing resin 9 to sufficiently flow into the gap between the back surface 2 b of the semiconductor chip 2 and the heat spreader 1 b during resin molding.
- the adhesive member 13 employed in the second embodiment may be a thermoplastic adhesive or an adhesive other than thermoplastic as long as it is an insulating material.
- Other structures of the QFP 12 of the second embodiment are the same as those of the QFP 11 of the first embodiment, and a description thereof will not be repeated.
- a plurality of inner leads 1 d are formed integrally with the inner leads 1 d.
- Heat spreader 1b which is a thin sheet member joined to the tips of the plurality of outer leads 1e, the plurality of inner leads 1d via insulating bonding members 13 and the inner side of the plurality of inner leads 1d.
- the square ring-shaped par lead 1 f and the ring-shaped bar lead 1 f are insulated on the heat spreader lb inside the ring-shaped bar lead 1 f. 5
- Tabs 1 h fixed via members 1 3 and tabs 1 h A lead frame 1 having a suspension lead 1 i connected to the lead frame 1 is prepared.
- each inner lead 1 d, par lead 1 f and tab 1 h, and a square heat spreader lb are joined via an insulating adhesive material (adhesive material) 13. ing.
- the heat spreader lb is a sheet-like sheet corresponding to the 1st row of the inner 10d, has a square shape, and has a chip mounting function.
- a punched hole (first through hole) lg formed by cutting the lead is formed outside each of the square ring-shaped par leads 1f.
- the punched holes 1 g formed between the inner lead 1 d group and the par lead 1 f are located in the row direction of the inner lead 1 d adjacent to the tip of each inner lead 1 d. Therefore, four elongated punched holes 1 g are formed between the plurality of inner leads 1 d and the adjacent square bar lead 1 f (see FIG. 11).
- the tab lh is much smaller in size 20 than the back surface 2b of the semiconductor chip 2 to be mounted, and a plurality of through holes (second through holes) are provided around the tab 1h. ) Lm is formed.
- the semiconductor chip 2 is mounted on the tab 1 h which is forked by the heat spreader 1 b. That is, as shown in FIG. 12, the outer peripheral portion of the semiconductor chip 2 protrudes from the tape 1 h to the periphery thereof and is mounted on the tab 1 h. At that time, the semiconductor chip 2 is fixed to the tab 1 h by thermocompression bonding or the like.
- a pair of molding dies 8 is prepared by a first mold 8a (lower mold) and a second mold 8b (upper mold).
- the surface of the lead frame 1 on which the semiconductor chip 2 is not mounted, that is, the back surface 1j, is placed on the mold surface 8e of the first mold 8a on which the gate 8d is formed, and then the first mold Clamp 8a and second mold 8b.
- the cavity 8c of the molding die 8 covers the plurality of inner leads 1d, the semiconductor chip 2, the plurality of wires 3, and the heat spreader 1b.
- the sealing resin 9 is poured into the cavity 8c of the molding die 8 from the gate 8d of the first die 8a arranged on the back surface 1j side of 1.
- the sealing resin 9 injected into the cavity 8 c flows along the back surface 1 j side of the lead frame 1 and covers the heat spreader 1 b to fill the cavity 8 c on the back surface 1 j side.
- the sealing resin 9 injected into the back surface 1 j side is formed by the injection pressure during the flow of the resin flow 10 through the punching hole 1 formed between the inner lead 1 d and the par lead 1 f. g flows into the surface 1 k side, and pushes up the wire 3 that connects to the inner lead 1 d arranged on the surface 1 k side as shown in part B of FIG. That is, since the gate 8 d is arranged on the back surface 1 j side of the lead frame 1, the sealing resin 9 flows from the back surface 1 j side of the lead frame 1 into the punched hole 1 between the inner lead 1 d and the par lead 1 f. The wire 3 can be pushed up to stretch the wire 3 because it flows into the surface 1 k so as to boil through g.
- the stop resin 9 flows into the front surface 1 k side through the through-hole lm by the injection pressure as shown in a part C of FIG. 15 and adheres to the back surface 2 b of the semiconductor chip 2. It enters between members 13.
- the back surface of the chip and the sealing resin 9 are adhered to each other, so that it is difficult for voids to be formed, and reflow crack resistance can be increased. Therefore, the reliability of the product can be improved.
- the sealing resin 9 is filled in the cavities 8c on both the front and back surfaces to form the sealing body 4 in which the resin molding shown in FIG. 16 is completed.
- the outer lead 1e is cut and formed, and the assembly of the QFP12 having the small tab structure shown in FIG. 10 is completed.
- FIG. 17 shows a wiring state in assembling the semiconductor device of the third embodiment.
- the lead frame 1 shown in FIG. 17 has a plurality of inner leads 1 d, a plurality of outer leads 1 e formed integrally therewith, and a heat spreader 1 b which is a sheet member joined to the tips of the plurality of inner leads 1 d. And a frame-shaped lead 1 p arranged inside the four inner lead groups, and a drawer lead In connected to a corner of the frame-shaped lead 1 p.
- the tip of the inner lead, and the heat spreader 1b and the frame-shaped lead 1p are joined via an adhesive member 13 (see FIG. 12).
- the lead 1 n which is connected to the frame-shaped lead 1 P and drawn out to the outside is gathered and connected at the corner of the frame-shaped lead 1 p.
- the pad 2c of the semiconductor chip 2 (see FIG. 10) and the corresponding inner lead 1d, and the pad 2c of the semiconductor chip 2 and the vicinity of the bird portion of the frame-shaped lead fp Are electrically connected to each other by three wires.
- the gate 8 d (see Fig. 15) and the lead In Is molded using a molding die 8 formed at the same corner. That is, when the gate 8d is formed at a corner of the cavity 8c, the lead In which is connected to the frame-shaped lead 1p is also collected and arranged at the same corner.
- the sealing resin 9 when the sealing resin 9 is injected into the cavity 8c from the gate 8d, the sealing resin 9 flows as the resin flow 10 along the lead-out In and then flows into the cavity 8c. It is diffused and filled in.
- the wire 3 since the wire 3 is not connected near the corner of the frame-shaped lead 1 p as shown in part D of FIG. 17, the wire 3 near the corner of the injected sealing resin 9 is not connected. Interference can be avoided. As a result, the occurrence of wire flow can be prevented. Further, the formation of voids can be reduced.
- the wire 3 since the wire 3 is not connected to the vicinity of the corner of the frame-shaped lead 1 P, which is likely to be far from each pad 2 c of the semiconductor chip 2, the wire is generally 3 can be shortened.
- FIG. 18 shows a wiring state in assembling the semiconductor device of the fourth embodiment.
- the lead frame 1 shown in FIG. 18 has a plurality of inner leads 1 d, a plurality of outer leads 1 e formed integrally therewith, and a heat spreader 1 which is a sheet member joined to the tips of the plurality of inner leads 1 d. b, and a frame-shaped lead 1 p disposed inside the group of four inner leads, the heat spreader 1 b and the tip of a plurality of inner leads, and the heat spreader 1 b and the frame-shaped lead 1 p. Are joined via an adhesive member 13 (see FIG. 12).
- the pad 2c (see FIG. 10) of the semiconductor chip 2 and the corresponding inner lead 1d are connected by the wire 3, and as shown in FIG.
- the wire 3 is not connected to the lead 1p.
- the frame-shaped satellite 1p is provided for reinforcing the sheet member.
- the sheet member is an insulating tape member or the like
- the frame-shaped lead 1p and the tape member are joined. Thus, thermal deformation of the tape member can be prevented.
- the frame-shaped lids 1 p are provided in a plurality of rows (three rows in the fourth embodiment) to further increase the strength of the tape member. Can be.
- the sealing resin 9 when the sealing resin 9 is poured into the cavity 8c (see Fig. 15), the sealing resin 9 flows into the inner lead 1d side by the frame-shaped lead 1P. And filling the cavity 8 c with the sealing resin 9.
- the frame-shaped lead 1 p serves as a dam, which can prevent the sealing resin 9 from flowing into the tip of the inner lead 1 d. As a result, the reliability of the product can be improved.
- the sheet member is the heat spreader lb
- the sheet member may be a thin film tape member or a substrate.
- the semiconductor device is a QFP
- the semiconductor device has a lead frame in which a sheet member is attached to a tip end of each inner lead 1d.
- Any semiconductor device other than QFP may be used as long as the semiconductor device can be assembled using the semiconductor device.
- the method of manufacturing a semiconductor device according to the present invention is suitable for a method of manufacturing a semiconductor device having par leads (frame-shaped leads), and in particular, a method of manufacturing a semiconductor device having outer leads arranged in four directions. It is suitable.
Landscapes
- Lead Frames For Integrated Circuits (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Die Bonding (AREA)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020067004022A KR101036987B1 (ko) | 2003-08-29 | 2003-08-29 | 반도체 장치의 제조 방법 |
| PCT/JP2003/011121 WO2005024933A1 (ja) | 2003-08-29 | 2003-08-29 | 半導体装置の製造方法 |
| AU2003261857A AU2003261857A1 (en) | 2003-08-29 | 2003-08-29 | Semiconductor device manufacturing method |
| JP2005508758A JP4145322B2 (ja) | 2003-08-29 | 2003-08-29 | 半導体装置の製造方法 |
| CNB038269937A CN100413043C (zh) | 2003-08-29 | 2003-08-29 | 半导体器件的制造方法 |
| US10/569,735 US20070004092A1 (en) | 2003-08-29 | 2003-08-29 | Semiconductor device manufacturing method |
| TW092126016A TWI237367B (en) | 2003-08-29 | 2003-09-19 | Method for manufacturing a semiconductor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2003/011121 WO2005024933A1 (ja) | 2003-08-29 | 2003-08-29 | 半導体装置の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005024933A1 true WO2005024933A1 (ja) | 2005-03-17 |
Family
ID=34260100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/011121 Ceased WO2005024933A1 (ja) | 2003-08-29 | 2003-08-29 | 半導体装置の製造方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20070004092A1 (ja) |
| JP (1) | JP4145322B2 (ja) |
| KR (1) | KR101036987B1 (ja) |
| CN (1) | CN100413043C (ja) |
| AU (1) | AU2003261857A1 (ja) |
| TW (1) | TWI237367B (ja) |
| WO (1) | WO2005024933A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2016072012A1 (ja) * | 2014-11-07 | 2017-06-22 | 三菱電機株式会社 | 電力用半導体装置およびその製造方法 |
| US10707141B2 (en) | 2016-10-24 | 2020-07-07 | Mitsubishi Electric Corporation | Semiconductor device and manufacturing method thereof |
| WO2022209881A1 (ja) * | 2021-03-30 | 2022-10-06 | ソニーセミコンダクタソリューションズ株式会社 | 半導体パッケージ |
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| US7327043B2 (en) * | 2005-08-17 | 2008-02-05 | Lsi Logic Corporation | Two layer substrate ball grid array design |
| TWI301316B (en) * | 2006-07-05 | 2008-09-21 | Chipmos Technologies Inc | Chip package and manufacturing method threrof |
| TWI302373B (en) * | 2006-07-18 | 2008-10-21 | Chipmos Technologies Shanghai Ltd | Chip package structure |
| TW200814247A (en) * | 2006-09-12 | 2008-03-16 | Chipmos Technologies Inc | Stacked chip package structure with lead-frame having bus bar with transfer pad |
| US8283757B2 (en) * | 2007-07-18 | 2012-10-09 | Mediatek Inc. | Quad flat package with exposed common electrode bars |
| US7847376B2 (en) * | 2007-07-19 | 2010-12-07 | Renesas Electronics Corporation | Semiconductor device and manufacturing method of the same |
| JP5155644B2 (ja) * | 2007-07-19 | 2013-03-06 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
| CN102610585B (zh) * | 2011-12-19 | 2015-01-14 | 佛山市蓝箭电子股份有限公司 | 一种封装硅芯片的方法及其形成的电子元件 |
| JP2013149779A (ja) * | 2012-01-19 | 2013-08-01 | Semiconductor Components Industries Llc | 半導体装置 |
| CN102647860A (zh) * | 2012-05-14 | 2012-08-22 | 宜兴市东晨电子科技有限公司 | 贴合焊接治具 |
| KR101778232B1 (ko) * | 2016-12-29 | 2017-09-13 | 주식회사 제이앤티씨 | 성형 장치 |
| CN112385024B (zh) * | 2018-10-11 | 2023-11-10 | 深圳市修颐投资发展合伙企业(有限合伙) | 扇出封装方法及扇出封装板 |
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| JPH09252072A (ja) * | 1996-03-15 | 1997-09-22 | Shinko Electric Ind Co Ltd | 多層リードフレームおよびその製造方法 |
| JP2002184799A (ja) * | 2000-12-15 | 2002-06-28 | Denso Corp | 樹脂封止型半導体装置及びその製造方法 |
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| US5455454A (en) * | 1992-03-28 | 1995-10-03 | Samsung Electronics Co., Ltd. | Semiconductor lead frame having a down set support member formed by inwardly extending leads within a central aperture |
| JP2912134B2 (ja) * | 1993-09-20 | 1999-06-28 | 日本電気株式会社 | 半導体装置 |
| US5977613A (en) * | 1996-03-07 | 1999-11-02 | Matsushita Electronics Corporation | Electronic component, method for making the same, and lead frame and mold assembly for use therein |
| JPH1012788A (ja) * | 1996-06-26 | 1998-01-16 | Matsushita Electron Corp | 半導体装置およびその製造方法およびその半導体装置に用いるリードフレーム |
| JP2891692B1 (ja) * | 1997-08-25 | 1999-05-17 | 株式会社日立製作所 | 半導体装置 |
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| JP2000058735A (ja) * | 1998-08-07 | 2000-02-25 | Hitachi Ltd | リードフレーム、半導体装置及び半導体装置の製造方法 |
| AU6000699A (en) * | 1998-12-02 | 2000-06-19 | Hitachi Limited | Semiconductor device, method of manufacture thereof, and electronic device |
| KR100355796B1 (ko) * | 1999-10-15 | 2002-10-19 | 앰코 테크놀로지 코리아 주식회사 | 반도체패키지용 리드프레임 및 이를 봉지하기 위한 금형 구조 |
| JP2002134674A (ja) * | 2000-10-20 | 2002-05-10 | Hitachi Ltd | 半導体装置およびその製造方法 |
| JP3497847B2 (ja) * | 2001-08-23 | 2004-02-16 | 沖電気工業株式会社 | 半導体装置およびその製造方法 |
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- 2003-08-29 CN CNB038269937A patent/CN100413043C/zh not_active Expired - Fee Related
- 2003-08-29 AU AU2003261857A patent/AU2003261857A1/en not_active Abandoned
- 2003-08-29 KR KR1020067004022A patent/KR101036987B1/ko not_active Expired - Fee Related
- 2003-08-29 WO PCT/JP2003/011121 patent/WO2005024933A1/ja not_active Ceased
- 2003-08-29 US US10/569,735 patent/US20070004092A1/en not_active Abandoned
- 2003-08-29 JP JP2005508758A patent/JP4145322B2/ja not_active Expired - Fee Related
- 2003-09-19 TW TW092126016A patent/TWI237367B/zh not_active IP Right Cessation
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| JPH09252072A (ja) * | 1996-03-15 | 1997-09-22 | Shinko Electric Ind Co Ltd | 多層リードフレームおよびその製造方法 |
| JP2002184799A (ja) * | 2000-12-15 | 2002-06-28 | Denso Corp | 樹脂封止型半導体装置及びその製造方法 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2016072012A1 (ja) * | 2014-11-07 | 2017-06-22 | 三菱電機株式会社 | 電力用半導体装置およびその製造方法 |
| US9947613B2 (en) | 2014-11-07 | 2018-04-17 | Mitsubishi Electric Corporation | Power semiconductor device and method for manufacturing the same |
| US10707141B2 (en) | 2016-10-24 | 2020-07-07 | Mitsubishi Electric Corporation | Semiconductor device and manufacturing method thereof |
| WO2022209881A1 (ja) * | 2021-03-30 | 2022-10-06 | ソニーセミコンダクタソリューションズ株式会社 | 半導体パッケージ |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1820360A (zh) | 2006-08-16 |
| TWI237367B (en) | 2005-08-01 |
| CN100413043C (zh) | 2008-08-20 |
| JP4145322B2 (ja) | 2008-09-03 |
| KR20060079846A (ko) | 2006-07-06 |
| US20070004092A1 (en) | 2007-01-04 |
| AU2003261857A1 (en) | 2005-03-29 |
| JPWO2005024933A1 (ja) | 2006-11-16 |
| TW200512904A (en) | 2005-04-01 |
| KR101036987B1 (ko) | 2011-05-25 |
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