WO2015068557A1 - 電子部品パッケージ - Google Patents
電子部品パッケージ Download PDFInfo
- Publication number
- WO2015068557A1 WO2015068557A1 PCT/JP2014/077810 JP2014077810W WO2015068557A1 WO 2015068557 A1 WO2015068557 A1 WO 2015068557A1 JP 2014077810 W JP2014077810 W JP 2014077810W WO 2015068557 A1 WO2015068557 A1 WO 2015068557A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- conductor
- lead member
- electronic component
- width
- component package
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49541—Geometry of the lead-frame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
- H01L23/3121—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed a substrate forming part of the encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49541—Geometry of the lead-frame
- H01L23/49548—Cross section geometry
- H01L23/49551—Cross section geometry characterised by bent parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49541—Geometry of the lead-frame
- H01L23/49548—Cross section geometry
- H01L23/49551—Cross section geometry characterised by bent parts
- H01L23/49555—Cross section geometry characterised by bent parts the bent parts being the outer leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49572—Lead-frames or other flat leads consisting of thin flexible metallic tape with or without a film carrier
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49575—Assemblies of semiconductor devices on lead frames
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/02—Bonding areas ; Manufacturing methods related thereto
- H01L24/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L24/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/065—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L27/00
- H01L25/0655—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L27/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/18—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different subgroups of the same main group of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N
-
- 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
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- 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
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
-
- 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
- H01L2924/14—Integrated circuits
- H01L2924/143—Digital devices
- H01L2924/1431—Logic devices
-
- 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
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/1901—Structure
- H01L2924/1904—Component type
- H01L2924/19041—Component type being a capacitor
-
- 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
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/1901—Structure
- H01L2924/1904—Component type
- H01L2924/19043—Component type being a resistor
-
- 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
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/191—Disposition
- H01L2924/19101—Disposition of discrete passive components
- H01L2924/19105—Disposition of discrete passive components in a side-by-side arrangement on a common die mounting substrate
Definitions
- the present invention relates to an electronic component package. Specifically, a lead member that is electrically connected to an electronic component supported by the substrate via a conductive pad of the substrate is provided, and a base end portion of the lead member and the electronic component are embedded in the mold portion. Regarding packages.
- Patent Document 1 As an electronic component package configured as described above, in Patent Document 1, a wide conductive pad (in the literature, a wide land portion) is formed on an integrated circuit substrate, and a wide shared fixing soldered to the conductive pad. A semiconductor device including lead terminals having pieces and encapsulating them in a resin package is shown.
- a conductive pad wider than the common fixed piece is formed on the substrate, and these are soldered to improve the fixing strength.
- the shape of the lead terminals enhances the resistance to coming off from the package.
- Patent Document 2 includes a base body, a frame body surrounding the base body, and lead terminals supported by the frame body, and the inner ends of the lead terminals are joined to wiring conductors formed inside the frame body. The structure joined by the members is shown.
- An object of the present invention is to rationally configure an electronic component package that firmly maintains a connection state of a lead member to a conductive pad of a substrate.
- a feature of the present invention is that a board including a conductive pad and supporting an electronic component, a lead member having a bifurcated end connected to the conductive pad, the board, and the bifurcated of the lead member. And a mold part that embeds a part of a single part connected to the bifurcated end part, and a portion of the lead member embedded in the mold part is parallel to the substrate. The point is that it is bent in a convex or concave shape with reference to the virtual plane.
- the forked end of the lead member is connected to the conductive pad, for example, when the forked end is joined to the conductive pad with solder, It is possible to bond on a wide surface.
- the solder rises in the region surrounding the outer periphery of the portion that contacts the conductive pad in the two forked ends, so that the contact area of the solder is increased and the joining force is increased.
- a portion of the lead member embedded in the mold part is bent into a convex shape or a concave shape with reference to a virtual plane parallel to the surface of the substrate.
- the width of the single portion may be set narrower than the width of the bifurcated end portion.
- the bifurcated end portion is formed in a form in which an end portion of an internal conductor formed on the inner end side of the lead member is separated by a slit portion, and the width of the slit portion is the single shape. It may be set wider than the width of the part.
- the width of the single-shaped portion is narrower than the width of the slit portion, when a force acts in the twisting direction on the connection portion between the internal conductor and the single-shaped portion, It will be easily deformed between the shaped parts. As a result, a phenomenon in which a strong force acts between the internal conductor and the conductive pad can be suppressed, and the connection state between the internal conductor and the conductive pad can be favorably maintained.
- the center in the width direction of the slit portion and the center in the width direction of the single portion may be arranged on the same central axis.
- the bifurcated end portions of the inner conductor are arranged at symmetrical positions sandwiching the central axis, for example, even if stress is applied to a single portion, an equal load is applied to a pair of inner end portions.
- the inconvenience that the load is concentrated on only one side is avoided and the joined state of the lead member is maintained.
- the contact angle may be set so that the pair of connection pieces formed at the inner end of the inner conductor come into contact with the surface of the conductive pad in a posture in which the inner end side is lifted.
- connection piece at the inner end of the inner conductor are brought into contact with the surface of the pad, the inner end side of the connection piece is lifted. For this reason, for example, when connecting to a pad with solder, the melted solder flows between the connection piece and the pad from the lifted portion, and the pad and the connection piece can be joined on a wide surface. It becomes.
- the lead member includes an internal conductor embedded in the mold part, an intermediate conductor connected to the internal conductor and embedded in the mold part, and an external conductor connected to the intermediate conductor.
- the bifurcated end portion may be formed on the inner conductor, and the single portion may be formed on the intermediate conductor and the outer conductor.
- the internal conductor has a wide portion and a pair of extending portions extending from the wide portion at a position sandwiching a slit portion that separates an end portion of the internal conductor, and the pair of extending portions
- a connecting piece connected to the conductive pad may be formed at the extended end of the part.
- connection piece of the pair of extending portions connected to the conductive pad is supported by the wide portion, the connection state between the internal conductor and the conductive pad can be more reliably maintained.
- the present invention provides an in-mold conductor region in which the lead member is molded, wherein the region where the inner conductor exists is a first region, and the region where the intermediate conductor is present is a second region.
- a first level difference is set between the connection piece and a region of the inner conductor parallel to the virtual plane, and a portion of the intermediate conductor connected to the inner conductor in the second region.
- a second level difference may be set between a portion connected to the outer conductor.
- the first level difference and the second level difference are formed inside the conductor region in the mold while the connection state between the conductive pad and the connection piece is maintained. That is, since the inner conductor and the intermediate conductor embedded in the mold part are bent in a convex shape or a concave shape, a stress acts in a direction to cancel the lead member even when the package generates heat. Therefore, the force acting in the direction in which the connecting piece of the lead member separates from the conductive pad can be reduced.
- the width of the intermediate conductor may be set narrower than the width of the pair of extending portions and may be set wider than the width of the slit portion.
- the extended portion having a width wider than that of the intermediate conductor is in strong contact with the mold portion and the displacement in the separation direction is strongly prevented.
- the width of the intermediate conductor is set wider than the width of the slit portion, even if an external force is applied to the lead member in the twisting direction, the intermediate conductor is prevented from being displaced in the twisting direction.
- the lead member is set on the substrate, it is possible to avoid the disadvantage that the lead member is deformed in the twisting direction.
- a plurality of the lead members are provided extending in one direction, and a plurality of lead divers connecting the adjacent lead members are arranged in a non-linear manner in a posture orthogonal to the extending direction. May be.
- the stress acting on each lead member is dispersed by the thermal expansion of the lead divers during molding. Therefore, the influence of the thermal expansion of the lead diver can be reduced and the positional relationship between the lead member and the conductive pad can be maintained.
- FIGS. 1, 2, and 5 a substrate 2 that supports a plurality of electronic components 1, a plurality of lead members 10 that are connected to a plurality of conductive pads 2 ⁇ / b> P of the substrate 2, and a resin-made material that embeds them
- An electronic component package is configured including the mold unit 3.
- a wiring made of a conductor is formed on the surface of the substrate 2, and an electronic component 1 such as a semiconductor or a resistor is connected to the wiring by solder S.
- Conductive pads 2P conducting to these wirings are formed on the surface of the substrate 2, and the base end portion of the lead member 10 is connected to these conductive pads 2P by solder S (specific example of brazing).
- the lead member 10 includes an inner conductor 11 as a bifurcated end portion embedded in the mold portion 3, and an intermediate conductor as a single portion connected to the inner conductor 11. 12 and an external conductor 13 as a single portion provided continuously therewith.
- the inner conductor 11, the intermediate conductor 12, and the outer conductor 13 are configured using a conductor having a set thickness such as copper or a copper alloy.
- the intermediate conductor 12 is embedded in the mold part 3, and the external conductor 13 is connected to the intermediate conductor 12 and arranged outside the mold part 3.
- the inner conductor 11 and the intermediate conductor 12 are referred to as an in-mold conductor region L embedded in the mold part 3.
- a lead frame F in which the plurality of lead members 10 are integrally formed is used. A manufacturing process using the lead frame F will be described later.
- the inner conductor 11 includes a wide portion 11A that is wide and a pair of extending portions 11B that extend from the wide portion 11A at a position sandwiching the slit portion 11S.
- the pair of extending portions 11B are formed in a bifurcated shape, and a connecting piece 11C for connecting to the conductive pad 2P is formed at the extending end (end portion on the base end side) of the extending portion 11B. .
- the contact angle of the connecting piece 11C is set so that the inner end side of the internal conductor 11 is in a slightly raised posture from the virtual plane (from the conductive pad 2P). Yes.
- the pair of extending portions 11B is formed with a gap that is separated from the virtual plane toward the end side (left side in FIG. 1).
- the pair of extending portions 11B of the inner conductor 11 is set in a posture that rises at a predetermined angle with respect to the virtual plane toward the outer end side (the outer conductor 13 side) with reference to the position where the conductive pad 2P is connected.
- a portion including the wide portion 11A from the middle of the extending portion 11B is formed in a parallel posture along the virtual plane.
- a portion of the intermediate conductor 12 that is connected to the wide portion 11A of the inner conductor 11 is formed in a posture parallel to the virtual plane, and a region that continues to the outer end side is formed in an oblique posture that extends in a direction approaching the virtual plane. ing. Further, a portion of the intermediate conductor 12 connected to the outer conductor 13 is formed in a posture parallel to the virtual plane.
- the outer conductor 13 is connected to the intermediate conductor 12, and the outer end portion of the outer conductor 13 is formed into the shape shown in FIG. Further, the center in the width direction of the slit portion 11S and the center in the width direction of the intermediate conductor 12 are arranged on the central axis X along the longitudinal direction of the lead member 10, as shown in FIG.
- a region where the internal conductor 11 exists is referred to as a first region L1
- a region where the intermediate conductor 12 exists is referred to as a second region L2.
- a level difference up to a region parallel to the virtual plane with reference to the connection piece 11C of the inner conductor 11 is referred to as a first level difference H1, and a portion of the intermediate conductor 12 that is connected to the inner conductor 11;
- a level difference from a portion connected to the outer conductor 13 is referred to as a second level difference H2.
- the in-mold conductor region L of the lead member 10 is formed in a convex shape with reference to the above-described virtual plane.
- the in-mold conductor region L of the lead member 10 is bent so as to be convex with respect to the above-described virtual plane, but instead, for example, it is concave.
- the lead member 10 may be bent.
- the lead member 10 is electrically connected to the conductive pad 2P on the surface of the substrate 2.
- the lead member 10 is connected to the conductive pad 2P formed on the back surface of the substrate 2. It may be configured to conduct.
- the lead member 10 constituting the in-mold conductor region L may be formed to be bent or convex with respect to the virtual plane.
- the lead member 10 may be bent at three or more locations to form a plurality of convex portions or concave portions in the in-mold conductor region L, and the lead member 10 is used to combine the convex portion and the concave portion. You may bend in three or more places.
- the intermediate portion width W2 of the intermediate conductor 12 is larger than the extended portion width W1 including the pair of extended portions 11B (matching the width of the wide portion 11A). It is set narrowly.
- the intermediate portion width W2 is set wider than the slit width WS of the intermediate slit portion 11S of the pair of extending portions 11B.
- the electronic component 1 is arranged on the substrate 2 and mounted so as to be electrically connected to predetermined wiring by the solder S.
- the lead frame F is arranged so that the connection piece 11C of the lead member 10 contacts the surface of the conduction pad 2P of the substrate 2 in the mounted state, and the conduction pad 2P and the connection piece 11C are connected by the solder S. Thereafter, these are set in a mold, and an insulating and thermoplastic liquid resin is injected into the mold and solidified, thereby forming a mold portion 3 in a form of embedding them. After the formation of the mold part 3, unnecessary parts of the lead frame F (the external frame 20 and the lead tie bar 21) are cut off, and the external conductor 13 of the lead member 10 is bent to complete the package of the electronic component 1. To do.
- the electronic component 1 may be mounted on the substrate 2 after connecting the connection piece 11C of the lead member 10 to the conductive pad 2P of the substrate 2.
- the lead frame F includes a rectangular outer frame 20 and a plurality of leads whose end portions are supported by the outer frame 20 by pressing a plate of a conductor such as copper or copper alloy.
- the member 10 and a plurality of lead tie bars 21 connecting the plurality of lead members 10 are integrally formed.
- the inner conductor 11, the intermediate conductor 12, and the outer conductor 13 of the lead member 10 are integrally formed.
- the lead member 10 formed on the lead frame F has the shape of the connecting piece 11C, the extending portion 11B, the intermediate conductor 12 and the like set by bending.
- all of the lead members 10 do not constitute the inner conductor 11 and the intermediate conductor 12 on the central axis X. 11 and the intermediate conductor 12 are arranged in different states.
- the plurality of lead tie bars 21 are connected in a posture orthogonal to the direction in which the lead member 10 extends. However, the plurality of lead tie bars 21 are not arranged on the same axis, and the center one of the plurality of lead members 10 in the arrangement direction is arranged at a position away from the outer edge of the substrate 2 (non-linear arrangement). )
- the plurality of lead tie bars 21 are thermally expanded by the action of heat at the time of molding the mold portion 3, and a large force is exerted on the lead member 10 from this thermal expansion.
- the plurality of lead members 10 are displaced in the direction in which the interval between the adjacent lead members 10 is increased, and a force may act in the direction in which the internal conductor 11 is separated from the conductive pad 2P.
- the lead tie bar 21 is thermally expanded at the time of molding, and this stress is dispersed even in a situation where a force acts on each lead member 10. It is possible to reduce the influence. As a result, the positional relationship between the lead member 10 and the conductive pad 2P can be maintained. Further, by arranging the plurality of lead tie bars 21 in a non-linear manner, the influence of internal stress after the molding of the mold part 3 is also reduced.
- the arrangement of the plurality of lead tie bars 21 is not limited to that arranged in an arc-shaped area or a mountain-shaped area, and can be arranged in a valley shape, for example.
- the plurality of lead tie bars 21 may be alternately arranged with respect to the outer edge of the substrate 2, and may be arranged in a staircase shape.
- the electronic component 1 mounted on the substrate 2 may be not only a diode, a transistor, or a semiconductor element constituting a logic, but also a resistor or a capacitor.
- connection piece 11C at the end of the bifurcated extension portion 11B of the inner conductor 11 of the lead member 10 is connected to the conductive pad 2P of the substrate 2, it is possible to connect at two wide surfaces. Become.
- the solder S rises in the region surrounding the outer periphery of the two connection pieces 11C in the joining by the solder S, the contact area of the solder S can be increased to increase the joining force.
- the pair of connecting pieces 11C of the lead member 10 is set in such a posture that the inner end side of the inner conductor 11 is slightly lifted from the virtual plane (from the conductive pad 2P). It will be in a state of floating.
- the solder S is connected in this state, the melted solder S easily flows into the space between the connecting piece 11C and the conductive pad 2P from the lifted portion, and the conductive pad 2P and the connecting piece 11C are powerful in a wide area. It becomes possible to join to.
- the in-mold conductor region L is bent into a convex shape with reference to a virtual plane along the surface of the substrate 2. For this reason, when an external force is applied to the in-mold conductor region L of the lead member 10 due to heat generation of the electronic component package, the first level difference H1 and the second level difference H2 are generated in opposite directions from each other. External force acts on the. As a result, the external forces cancel each other, and it is possible to suppress the inconvenience that the force is strongly applied to the connection piece 11C of the inner conductor 11, and to maintain the connection state between the connection piece 11C and the conductive pad 2P.
- the lead member 10 has a structure in which an intermediate conductor 12 having an intermediate portion width W2 narrower than the extended portion width W1 is connected to the wide portion 11A having the extended portion width W1. For this reason, when an external force is applied in a direction in which the lead member 10 is separated from the conductive pad 2P, the wide portion 11A comes into strong contact with the mold portion 3 and the displacement in the separation direction is strongly prevented.
- the center in the width direction of the slit portion 11S and the center in the width direction of the intermediate conductor 12 are arranged on the central axis X. For this reason, in the same manner as described above, when stress is applied in the direction in which the lead member 10 is separated from the conductive pad 2P, the disadvantage that a strong load acts on one of the pair of extending portions 11B is avoided. That is, a weight is applied equally to the pair of extending portions 11B, and the connection state of the connection piece 11C can be maintained satisfactorily.
- the intermediate part width W2 is set wider than the width of the slit part 11S, even if an external force acts on these in the twisting direction, they are suppressed from being displaced in the twisting direction. Thereby, for example, even when an external force is applied to the inner conductor 11 of the lead member 10 when the lead frame F is set on the substrate 2, it is possible to avoid the disadvantage that these deform in the twisting direction. It becomes.
- the present invention may be configured as follows in addition to the embodiment described above.
- the specific width of the intermediate portion W2 is set narrow, and the intermediate width W2 is set narrower than the slit width WS of the intermediate slit portion 11S of the pair of extending portions 11B.
- the pair of extending portions 11 ⁇ / b> B is easily deformed with respect to the intermediate conductor 12 when stress is strongly applied to the lead member 10.
- the phenomenon in which a strong force acts in the direction in which the pair of connection pieces 11C are peeled off from the conductive pad 2P is suppressed, and the connection state of the connection pieces 11C is maintained well.
- the pair of extending portions 11B constituting the inner conductor 11 do not necessarily have to be formed in a parallel posture.
- the shape of the slit portion 11S is formed so as to expand toward the extending end side (the connection piece 11C side). May be set.
- the shape of the slit portion 11S may be set so that the pair of extending portions 11B become narrower toward the extending end side (the connecting piece 11C side).
- a conductor having a thickness determined in a region extending from the inner conductor 11 to the outer conductor 13 is used.
- a rib is formed in an intermediate portion or a part of the thickness is changed.
- the partial shape can be changed as appropriate.
- the present invention can be used for an electronic component package having a structure in which a lead member that conducts to a conductive pad of a substrate is included and a substrate and a part of the lead member are embedded in a mold part.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Geometry (AREA)
- Lead Frames For Integrated Circuits (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
〔基本構成〕
図1、図2、図5に示すように、複数の電子部品1を支持する基板2と、この基板2の複数の導通パッド2Pに接続する複数のリード部材10と、これらを埋め込む樹脂製のモールド部3とを備えて電子部品パッケージが構成されている。
図1、図2、図4に示すように、リード部材10は、モールド部3に埋め込まれる二又状端部としての内部導体11と、これに連設される単一状部としての中間導体12と、これに連設される単一状部としての外部導体13とを一体形成した構成を有している。これら内部導体11と中間導体12と外部導体13とは銅や銅合金等の設定厚さの導体を用いて構成されている。
この電子部品パッケージを製造する場合には、基板2に対して電子部品1を配置し、ハンダSにより所定の配線に導通するように実装する。この実装状態の基板2の導通パッド2Pの表面にリード部材10の接続片11Cが接触するようにリードフレームFを配置し、導通パッド2Pと接続片11CとをハンダSにより接続する。この後に、これらを成形型の内部にセットし、型内に絶縁性で熱可塑性の液状の樹脂を注入し、固形化することにより、これらを埋め込む形態となるモールド部3が形成される。このモールド部3の形成の後に、リードフレームFの不要な部分(外部フレーム20とリードタイバー21)を切除し、リード部材10の外部導体13を折曲げ加工することにより電子部品1のパッケージが完成するのである。
基板2の導通パッド2Pに対して、リード部材10の内部導体11のうち二又状の延出部11Bの端部の接続片11Cが接続するため、2箇所の広い面での接続が可能となる。しかも、ハンダSによる接合では2箇所の接続片11Cの外周を取り囲む領域でハンダSが盛り上がるためハンダSの接触面積を増大させて接合力を高めることも可能となる。
本発明は、上記した実施形態以外に以下のように構成しても良い。
(a)図6に示すように、モールド内導体領域Lでは、一対の延出部11Bを含む延出部幅W1(幅広部11Aの幅と一致する)と比較して中間導体12(単一状部の具体例)の中間部幅W2を狭く設定すると共に、中間部幅W2を、一対の延出部11Bの中間のスリット部11Sのスリット幅WSより狭く設定する。
2 基板
2P 導通パッド
3 モールド部
10 リード部材
11 二又状端部(内部導体)
11C 接続片
11S スリット部
12 単一状部(中間導体)
13 単一状部(外部導体)
W1 幅(延出部幅)
W2 幅(中間部幅)
WS 幅(スリット幅)
X 中心軸
Claims (10)
- 導通パッドを備え、電子部品を支持する基板と、
前記導通パッドに接続される二又状端部を有するリード部材と、
前記基板、及び、前記リード部材のうち前記二又状端部と当該二又状端部に連接される単一状部の一部とを埋め込むモールド部とを備え、
前記リード部材のうち前記モールド部に埋設された部位が、前記基板と平行な仮想平面を基準にして凸状又は凹状に屈曲形成されている電子部品パッケージ。 - 前記二又状端部の幅より、前記単一状部の幅が狭く設定されている請求項1記載の電子部品パッケージ。
- 前記二又状端部が、前記リード部材の内端側に形成される内部導体の端部をスリット部で分離する形態で形成され、このスリット部の幅が、前記単一状部の幅より広く設定されている請求項1又は2記載の電子部品パッケージ。
- 前記スリット部の幅方向での中央と、前記単一状部の幅方向での中央とが、同一の中心軸上に配置されている請求項3記載の電子部品パッケージ。
- 前記内部導体の内端に形成される一対の接続片が前記導通パッドの表面に対して内端側が持ち上がる姿勢で接触するように接触角度が設定されている請求項3又は4記載の電子部品パッケージ。
- 前記リード部材は、前記モールド部に埋め込まれる内部導体と、前記内部導体に連設され、前記モールド部に埋め込まれる中間導体と、前記中間導体に連設させる外部導体とを有し、
前記内部導体に前記二又状端部が形成され、前記中間導体および前記外部導体に前記単一状部が形成されている請求項1記載の電子部品パッケージ。 - 前記内部導体は、幅広部と、前記内部導体の端部を分離するスリット部を挟む位置において前記幅広部から延出する一対の延出部とを有し、
前記一対の延出部の延出端には前記導通パッドに接続される接続片が形成されている請求項6記載の電子部品パッケージ。 - 前記リード部材がモールドされるモールド内導体領域で、前記内部導体が存在する領域を第一領域とし、前記中間導体が存在する領域を第二領域としたとき、
前記第一領域において、前記接続片と前記内部導体のうち前記仮想平面に対して平行な領域との間に第一レベル差が設定され、
前記第二領域において、前記中間導体のうち前記内部導体に連接される部位と前記外部導体に連接される部位との間に第二レベル差が設定されている請求項7記載の電子部品パッケージ。 - 前記中間導体の幅は、前記一対の延出部の幅より狭く設定され、且つ、前記スリット部の幅より広く設定されている請求項7記載の電子部品パッケージ。
- 前記リード部材は一方向に延在して複数設けられ、前記延在する方向に対して直交する姿勢で、隣接する前記リード部材を接続する複数のリードダイバーが非直線状に配置されている請求項1記載の電子部品パッケージ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112014005102.0T DE112014005102T5 (de) | 2013-11-08 | 2014-10-20 | Elektronikbauteilpackung |
US15/034,633 US20160284632A1 (en) | 2013-11-08 | 2014-10-20 | Electronic component package |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-232124 | 2013-11-08 | ||
JP2013232124A JP2015095474A (ja) | 2013-11-08 | 2013-11-08 | 電子部品パッケージ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015068557A1 true WO2015068557A1 (ja) | 2015-05-14 |
Family
ID=53041340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/077810 WO2015068557A1 (ja) | 2013-11-08 | 2014-10-20 | 電子部品パッケージ |
Country Status (4)
Country | Link |
---|---|
US (1) | US20160284632A1 (ja) |
JP (1) | JP2015095474A (ja) |
DE (1) | DE112014005102T5 (ja) |
WO (1) | WO2015068557A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3703118A4 (en) * | 2017-10-26 | 2020-09-02 | Shindengen Electric Manufacturing Co., Ltd. | SEMICONDUCTOR COMPONENT |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6513465B2 (ja) * | 2015-04-24 | 2019-05-15 | 日本航空電子工業株式会社 | リード接合構造 |
US10541194B2 (en) * | 2017-03-23 | 2020-01-21 | Texas Instruments Incorporated | Semiconductor package with interconnected leads |
US11075154B2 (en) * | 2017-10-26 | 2021-07-27 | Shindengen Electric Manufacturing Co., Ltd. | Semiconductor device and method of manufacturing semiconductor device |
CN110892527B (zh) * | 2017-10-26 | 2023-10-27 | 新电元工业株式会社 | 半导体装置以及半导体装置的制造方法 |
CN110892526B (zh) * | 2017-10-26 | 2023-09-15 | 新电元工业株式会社 | 半导体装置的制造方法 |
CN109841590A (zh) * | 2017-11-28 | 2019-06-04 | 恩智浦美国有限公司 | 用于具有j引线和鸥翼引线的集成电路装置的引线框 |
US10515880B2 (en) | 2018-03-16 | 2019-12-24 | Nxp Usa, Inc | Lead frame with bendable leads |
CN110752197B (zh) * | 2019-09-30 | 2022-09-16 | 华为技术有限公司 | 引线框架、封装集成电路板、电源芯片及电路板的封装方法 |
CN114222425A (zh) * | 2021-12-17 | 2022-03-22 | 浪潮商用机器有限公司 | Pcb板焊盘及电路板 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5124864U (ja) * | 1974-08-15 | 1976-02-24 | ||
JPS5298364U (ja) * | 1976-01-20 | 1977-07-25 | ||
US4470648A (en) * | 1982-12-27 | 1984-09-11 | Ford Motor Company | Interconnection construction to thick film substrate |
JPS60236467A (ja) * | 1984-05-09 | 1985-11-25 | 富士通株式会社 | 半田付端子およびその半田付端子と基板回路の接続構造 |
JPS6218058A (ja) * | 1985-07-17 | 1987-01-27 | Oki Electric Ind Co Ltd | 半導体装置用リ−ドフレ−ム |
JPH0290662A (ja) * | 1988-09-28 | 1990-03-30 | Hitachi Cable Ltd | リードフレームのインナーリード |
JPH05121626A (ja) * | 1991-10-24 | 1993-05-18 | Matsushita Electric Works Ltd | 半導体チツプキヤリア用リードフレームとその 接合構造 |
JPH06140551A (ja) * | 1992-10-23 | 1994-05-20 | Rohm Co Ltd | 半導体装置 |
JPH06181276A (ja) * | 1992-12-15 | 1994-06-28 | Shinko Electric Ind Co Ltd | 半導体装置用リード |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4722027A (en) * | 1985-08-09 | 1988-01-26 | Toko Inc. | Hybrid circuit device |
US4870224A (en) * | 1988-07-01 | 1989-09-26 | Intel Corporation | Integrated circuit package for surface mount technology |
US5224021A (en) * | 1989-10-20 | 1993-06-29 | Matsushita Electric Industrial Co., Ltd. | Surface-mount network device |
JPH07106488A (ja) * | 1993-10-04 | 1995-04-21 | Sharp Corp | 半導体集積回路のリードフレーム |
JP2606606B2 (ja) * | 1994-10-14 | 1997-05-07 | 日本電気株式会社 | 半導体装置の製造方法 |
US5770479A (en) * | 1996-01-11 | 1998-06-23 | Micron Technology, Inc. | Bonding support for leads-over-chip process |
US6075283A (en) * | 1998-07-06 | 2000-06-13 | Micron Technology, Inc. | Downset lead frame for semiconductor packages |
US6323840B1 (en) * | 1999-09-17 | 2001-11-27 | Cts Corporation | Surface-mount pointing device |
US8047882B2 (en) * | 2009-02-20 | 2011-11-01 | Tyco Electronics Corporation | Self-aligning contact assembly |
US8814595B2 (en) * | 2011-02-18 | 2014-08-26 | Amphenol Corporation | High speed, high density electrical connector |
US8988857B2 (en) * | 2011-12-13 | 2015-03-24 | Kemet Electronics Corporation | High aspect ratio stacked MLCC design |
-
2013
- 2013-11-08 JP JP2013232124A patent/JP2015095474A/ja not_active Withdrawn
-
2014
- 2014-10-20 DE DE112014005102.0T patent/DE112014005102T5/de not_active Withdrawn
- 2014-10-20 US US15/034,633 patent/US20160284632A1/en not_active Abandoned
- 2014-10-20 WO PCT/JP2014/077810 patent/WO2015068557A1/ja active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5124864U (ja) * | 1974-08-15 | 1976-02-24 | ||
JPS5298364U (ja) * | 1976-01-20 | 1977-07-25 | ||
US4470648A (en) * | 1982-12-27 | 1984-09-11 | Ford Motor Company | Interconnection construction to thick film substrate |
JPS60236467A (ja) * | 1984-05-09 | 1985-11-25 | 富士通株式会社 | 半田付端子およびその半田付端子と基板回路の接続構造 |
JPS6218058A (ja) * | 1985-07-17 | 1987-01-27 | Oki Electric Ind Co Ltd | 半導体装置用リ−ドフレ−ム |
JPH0290662A (ja) * | 1988-09-28 | 1990-03-30 | Hitachi Cable Ltd | リードフレームのインナーリード |
JPH05121626A (ja) * | 1991-10-24 | 1993-05-18 | Matsushita Electric Works Ltd | 半導体チツプキヤリア用リードフレームとその 接合構造 |
JPH06140551A (ja) * | 1992-10-23 | 1994-05-20 | Rohm Co Ltd | 半導体装置 |
JPH06181276A (ja) * | 1992-12-15 | 1994-06-28 | Shinko Electric Ind Co Ltd | 半導体装置用リード |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3703118A4 (en) * | 2017-10-26 | 2020-09-02 | Shindengen Electric Manufacturing Co., Ltd. | SEMICONDUCTOR COMPONENT |
US11309232B2 (en) | 2017-10-26 | 2022-04-19 | Shindengen Electric Manufacturing Co., Ltd. | Semiconductor device |
Also Published As
Publication number | Publication date |
---|---|
DE112014005102T5 (de) | 2016-09-01 |
US20160284632A1 (en) | 2016-09-29 |
JP2015095474A (ja) | 2015-05-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2015068557A1 (ja) | 電子部品パッケージ | |
JP6345300B2 (ja) | 電力用半導体装置、電力用半導体装置組み込み機器、および電力用半導体装置組み込み機器の製造方法 | |
JP4634498B2 (ja) | 電力用半導体モジュール | |
US8575745B2 (en) | Power semiconductor device, printed wiring board, and mechanism for connecting the power semiconductor device and the printed wiring board | |
JP5939041B2 (ja) | 半導体モジュール及び半導体モジュールの製造方法 | |
US9013030B2 (en) | Leadframe, semiconductor package including a leadframe and method for producing a leadframe | |
CN101996982A (zh) | 电子装置及其制造方法 | |
WO2017079516A1 (en) | Semiconductor systems having premolded dual leadframes | |
KR20070027625A (ko) | 가요성 리드프레임 구조 및 집적 회로 패키지 형성 방법 | |
JP2020038914A (ja) | 半導体装置 | |
JP6312527B2 (ja) | 放熱板を備えた電子部品の実装構造 | |
KR101698431B1 (ko) | 반도체 파워 모듈 패키지 및 그의 제조방법 | |
JP5564369B2 (ja) | リードフレーム、半導体装置及びその製造方法 | |
JP2010050288A (ja) | 樹脂封止型半導体装置およびその製造方法 | |
US9929077B2 (en) | Magnetic sensor | |
JP5124329B2 (ja) | 半導体装置 | |
US20170062375A1 (en) | Semiconductor device | |
JP5037398B2 (ja) | 半導体装置 | |
TWI700790B (zh) | 電子模組 | |
JP5564367B2 (ja) | 半導体装置及びリードフレーム | |
JP4058028B2 (ja) | 半導体装置 | |
JP6923687B2 (ja) | 発光装置 | |
JP6444451B2 (ja) | インサート樹脂成形品 | |
JP7452146B2 (ja) | 回路構成体 | |
JP5703008B2 (ja) | フレーム組立体、半導体装置及びその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14860788 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15034633 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112014005102 Country of ref document: DE Ref document number: 1120140051020 Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 14860788 Country of ref document: EP Kind code of ref document: A1 |