WO2006040987A1 - 物理量センサの製造方法 - Google Patents
物理量センサの製造方法 Download PDFInfo
- Publication number
- WO2006040987A1 WO2006040987A1 PCT/JP2005/018470 JP2005018470W WO2006040987A1 WO 2006040987 A1 WO2006040987 A1 WO 2006040987A1 JP 2005018470 W JP2005018470 W JP 2005018470W WO 2006040987 A1 WO2006040987 A1 WO 2006040987A1
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- WIPO (PCT)
- Prior art keywords
- physical quantity
- quantity sensor
- stage
- manufacturing
- pressing member
- Prior art date
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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
- H10W42/00—Arrangements for protection of devices
-
- 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
- H10W90/811—Multiple chips on leadframes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
-
- 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
- H10W70/411—Chip-supporting parts, e.g. die pads
-
- 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
- H10W72/541—Dispositions of bond wires
- H10W72/5449—Dispositions of bond wires not being orthogonal to a side surface of the chip, e.g. fan-out arrangements
-
- 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
-
- 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
- H10W90/751—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 for manufacturing a physical quantity sensor that measures the azimuth and moving direction of a magnetic field.
- a physical sensor such as a magnetic sensor or an acceleration sensor is used for a portable terminal device.
- the magnetic sensor identifies the position information of the three-dimensional orientation and orientation of the device by detecting geomagnetism.
- the acceleration sensor identifies position information by detecting the direction of movement in a location where geomagnetism cannot be detected.
- Some physical quantity sensors of this type have a plurality of physical quantity sensor chips (magnetic sensor chips) arranged at an inclination with respect to each other, and are being made smaller and thinner.
- the physical quantity sensor configured to incline the physical quantity sensor chip can maintain high sensitivity in a predetermined axis direction according to the inclination direction, and can reduce sensitivity in other axis directions including the direction along the surface of the substrate. It has advantages and is expected to become the mainstream in the future.
- the physical quantity sensor 106 has two physical quantity sensor chips 2 and 3 that are inclined with respect to each other, and measures the direction and magnitude of the external magnetic field.
- the physical quantity sensor 106 is manufactured using a lead frame 4 formed by subjecting a metal thin plate to press working and / or etching power.
- the lead frame 4 shown in FIG. 27 includes a rectangular frame portion 5a that forms an outer peripheral rectangular frame, and a plurality of leads 5b that protrude vertically inward from the outer peripheral sides of the rectangular frame portion 5a, Rectangular frame 5
- the connecting lead 5d extends inward from the end 5c side of a, and the two stage portions 6 and 7 are connected to and supported by the connecting lead 5d.
- the rectangular frame portion 5a, the lead 5b, and the connecting lead 5d are collectively referred to as the frame portion 5.
- the two stage portions 6 and 7 are formed in a rectangular shape and are provided to face each other across the center line of the lead frame 4, and the stage portions 6 and 7 that face each other from the end portions 6a and 7a. It has a pair of protrusions 8 and 9 protruding to the side.
- the protrusions 8 and 9 are formed in a thin rod shape and are inclined to the back surface 4a side of the lead frame 4! /.
- the connecting lead 5d is a suspension lead for supporting the stage portions 6 and 7 on the rectangular frame portion 5a.
- One end portion 5e of the connecting lead 5d is connected to side end portions 6c and 7c located at both ends on the one end portions 6b and 7b side of the stage portions 6 and 7, respectively.
- One end portion 5e on the side of the stage portions 6 and 7 of the connecting lead 5d is provided with a concave notch on the side surface, and is formed narrower than the other connecting leads 5d. This portion is a twisted portion 5e that can be deformed and twisted when the stage portions 6 and 7 are inclined.
- the physical quantity sensor 106 shown in FIGS. 26 and 27 includes two physical quantity sensor chips 2, 3 fixed to the stage portions 6, 7 of the lead frame 4, and the physical quantity sensor chips 2, 3 and the lead 5b. And a resin mold part 11 for integrally connecting the lead frame 4, the physical quantity sensor chips 2 and 3 and the lead 5b with a resin.
- the lead 5b and the connecting lead 5d of the portion protruding outward from the rectangular frame portion 5a and the resin mold portion 11 are separated after the formation of the resin.
- the resin mold part 11 is a part surrounded by a two-dot broken line shown in FIGS. 26 to 28, and the side section is formed in a substantially trapezoidal shape.
- the leading end parts 8a, 9a of the protruding parts 8, 9 abut on the horizontal plane continuous with the back surface 4a of the lead 5b, whereby the stage parts 6, 7 and the physical quantity sensor chip 2 , 3 is fixed with coagulant in an inclined state
- the partial force inside the lead 5b including the stage portions 6 and 7 of the metal thin plate is reduced by the photoetching cage. It is thinner than the portion, for example, half the thickness. Pressing or etching
- the lead frame 4 in which the stage portions 6 and 7 are supported by the rectangular frame portion 5a by the connecting leads 5d is formed.
- a lead 5b is formed on the lead frame 4
- a twisted portion 5e is formed on the connecting lead 5d.
- the protruding portions 8 and 9 are processed so as to be inclined with respect to the rectangular frame portion 5a.
- the physical quantity sensor chips 2 and 3 are bonded to the surfaces 6d and 7d of the stage portions 6 and 7, respectively, and the physical quantity sensor chips 2 and 3 and the lead 5b are electrically connected by the wire 10.
- the bonding portion 10a of the physical quantity sensor chips 2 and 3 and the bonding portion 10b of the lead 5b are separated from each other. Alternatively, it can be attached to bonding parts 10a and 10b with sufficient height.
- the frame portion 5 is sandwiched and fixed in the molds D and E except for a part of the lead 5b and the connecting lead 5d and the rectangular frame portion 5a.
- These molds D and E are used to form a resin mold part 11 for embedding and fixing the physical quantity sensor chips 2 and 3 in the resin.
- the inclination angle of the stage portion before forming the resin mold portion is held by contacting the thin, rod-shaped protrusion with the inner surface of the mold, so that When injecting the grease, the protrusion may be displaced by the injection, and the stage portion may be distorted.
- the physical quantity sensor chip cannot be accurately installed at a predetermined inclination angle.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-128473
- the stage part and the physical quantity sensor chip are inclined by a pressing member provided separately from the stage part, and the physical quantity sensor chip is accurately installed at a predetermined inclination angle.
- the physical quantity sensor manufacturing method is connected to the rectangular frame portion by a rectangular frame portion, a plurality of leads protruding inward of the rectangular frame portion force, and a connecting lead.
- a lead frame including a stage portion, a physical quantity sensor chip is fixed to the stage portion of the lead frame, and the stage portion and the physical quantity sensor chip are inclined with respect to the rectangular frame portion,
- a pressing member separate from the stage portion is provided on the back surface, and the back surface of the stage portion is pressed by the pressing member. Stage part And tilting the physical quantity sensor chip.
- a pressing member is provided on the back surface of the stage portion, and the pressing member presses the back surface of the stage portion to incline the stage portion. Therefore, the stage part and the physical quantity sensor chip can be reliably tilted.
- the stage part is securely held by the pressing member, so that the stage part is free from distortion and displacement of the stage part due to the injection of the resin. Can be fixed at an inclination angle.
- the pressing member is attached to the inner surface of the mold and the back surface of the stage portion, and the pressing member presses the back surface of the stage portion by clamping the mold.
- the pressing member may be integrated with the physical quantity sensor chip and the lead in the mold by means of grease.
- the stage portion can be pressed and inclined via the pressing member when the mold is tightened.
- the pressing member is a jig movably provided in the opening of the mold, and the back surface of the stage part is clamped by the jig after the mold is clamped. You may make it press. In this case, the physical quantity sensor chip and the lead are integrated by the resin while the inclination is held by the jig.
- the stage portion can be properly tilted by a simple operation of inserting a predetermined amount of the jig from the opening of the mold, and when the resin is injected into the mold.
- the stage part is securely held by the jig. For this reason, it is possible to fix the stage portion at a predetermined inclination angle without causing distortion or deviation in the stage portion due to injection of the resin.
- the manufacturing method of the present invention reliably tilts the stage unit and the physical quantity sensor chip by pressing the stage unit with a pressing member provided on the back surface of the stage unit separately from the stage unit. Can do. Also, when injecting the grease into the mold, the stage part is securely held by the pressing member, so the stage part and physical quantity sensor chip that does not cause distortion or displacement of the stage part due to the injection of the resin are provided. Accurate tilt Can be installed at an oblique angle.
- FIG. 1 is a plan view showing an example of a physical quantity sensor manufactured by a manufacturing method according to the present invention.
- FIG. 2 is a plan view showing a state in which a physical quantity sensor chip is mounted on a lead frame in the manufacturing process of the physical quantity sensor shown in FIG.
- FIG. 3 is a side sectional view showing a method of inclining the stage part and physical quantity sensor chip of the physical quantity sensor shown in FIG. 1 in the physical quantity sensor manufacturing method according to the first embodiment of the present invention. .
- FIG. 4 shows a method of inclining the stage part and physical quantity sensor chip of the physical quantity sensor shown in FIG. 1 in the physical quantity sensor manufacturing method according to the first and third embodiments of the present invention. It is a sectional side view.
- FIG. 5 is a side sectional view showing a physical quantity sensor manufactured by the manufacturing method according to the first and third embodiments of the present invention.
- FIG. 6 is a plan view showing a modification of the physical quantity sensor manufactured by the manufacturing method according to the present invention.
- FIG. 7 is a side sectional view showing a method for inclining the stage portion and physical quantity sensor chip of the physical quantity sensor shown in FIG. 6 in the manufacturing method according to the first embodiment of the present invention.
- FIG. 8 is a side sectional view showing a method of inclining the stage part and physical quantity sensor chip of the physical quantity sensor shown in FIG. 1 in the physical quantity sensor manufacturing method according to the second embodiment of the present invention. .
- FIG. 9 is a side sectional view showing a method of inclining the stage part of the physical quantity sensor and the physical quantity sensor chip shown in FIG. 1 in the physical quantity sensor manufacturing method according to the second embodiment of the present invention. .
- FIG. 10 is a side sectional view showing a physical quantity sensor manufactured by a manufacturing method according to a second embodiment and a fourth embodiment of the present invention.
- FIG. 11 is a diagram showing a manufacturing method according to second and fourth embodiments of the present invention.
- FIG. 6 is a side sectional view showing a method of inclining the stage part and physical quantity sensor chip of the physical quantity sensor shown in FIG.
- FIG. 12 is a side sectional view showing a state in which a pressing member is fixed to the stage portion of the lead frame of the physical quantity sensor shown in FIG. 1 in the physical quantity sensor manufacturing method according to the third embodiment of the present invention. It is.
- FIG. 13 is a side sectional view showing a method of inclining the stage part and physical quantity sensor chip of the physical quantity sensor shown in FIG. 1 in the physical quantity sensor manufacturing method according to the third embodiment of the present invention. .
- FIG. 14 is a side sectional view showing a state in which a pressing member is fixed to the stage portion of the lead frame of the physical quantity sensor shown in FIG. 1 in the physical quantity sensor manufacturing method according to the fourth embodiment of the present invention. It is.
- FIG. 15 is a side sectional view showing a method of inclining the stage portion and physical quantity sensor chip of the physical quantity sensor shown in FIG. 1 in the physical quantity sensor manufacturing method according to the fourth embodiment of the present invention. .
- FIG. 16A is a cross-sectional view showing the shape of the pressing member and the fixing method to the stage portion in the physical quantity sensor manufacturing method according to the fourth embodiment of the present invention.
- FIG. 16B is a cross-sectional view showing the shape of the pressing member and the fixing method to the stage portion in the physical quantity sensor manufacturing method according to the fourth example of the present invention.
- FIG. 16C is a cross-sectional view showing the shape of the pressing member and the fixing method to the stage portion in the physical quantity sensor manufacturing method according to the fourth embodiment of the present invention.
- FIG. 16D is a cross-sectional view showing the shape of the pressing member and the fixing method to the stage part in the physical quantity sensor manufacturing method according to the fourth embodiment of the present invention.
- FIG. 16E is a cross-sectional view showing the shape of the pressing member and the fixing method to the stage portion in the physical quantity sensor manufacturing method according to the fourth embodiment of the present invention.
- FIG. 17 is a side sectional view showing a method of inclining the stage part of the physical quantity sensor and the physical quantity sensor chip shown in FIG. 1 in the physical quantity sensor manufacturing method according to the fifth embodiment of the present invention. .
- FIG. 18 is a diagram showing a physical quantity sensor manufacturing method according to the fifth embodiment of the present invention. It is a figure which shows the method of inclining the stage part and physical quantity sensor of physical quantity sensor which were shown by (4).
- FIG. 19 is a side sectional view showing a physical quantity sensor manufactured by a manufacturing method according to a fifth embodiment of the present invention.
- FIG. 20 is a side sectional view showing a physical quantity sensor manufactured by the manufacturing method according to the fifth embodiment of the present invention.
- FIG. 21A is an AA arrow view showing a method of inclining the stage part of the physical quantity sensor and the physical quantity sensor chip shown in FIG. 6 in the manufacturing method according to the fifth embodiment of the present invention. is there.
- FIG. 21B is a cross-sectional view taken along line BB showing a method of inclining the stage portion of the physical quantity sensor and the physical quantity sensor chip shown in FIG. 6 in the manufacturing method according to the fifth embodiment of the present invention.
- FIG. 21B is a cross-sectional view taken along line BB showing a method of inclining the stage portion of the physical quantity sensor and the physical quantity sensor chip shown in FIG. 6 in the manufacturing method according to the fifth embodiment of the present invention.
- FIG. 22 is a side sectional view showing a method of inclining the stage part and physical quantity sensor chip of the physical quantity sensor shown in FIG. 1 in the physical quantity sensor manufacturing method according to the sixth embodiment of the present invention. .
- FIG. 23 is a side sectional view showing a method of inclining the stage portion of the physical quantity sensor shown in FIG. 1 and the physical quantity sensor in the physical quantity sensor manufacturing method according to the sixth embodiment of the present invention.
- FIG. 24 is a side sectional view showing a physical quantity sensor manufactured by the manufacturing method according to the sixth embodiment of the present invention.
- FIG. 25 is a side sectional view showing a physical quantity sensor manufactured by a manufacturing method according to a sixth example of the present invention.
- FIG. 26 is a plan view showing a physical quantity sensor manufactured by a conventional manufacturing method.
- FIG. 27 is a side sectional view showing the conventional physical quantity sensor shown in FIG. 26.
- FIG. 28 is a plan view showing a state in which the physical quantity sensor chip is mounted on the lead frame in the manufacturing process of the conventional physical quantity sensor shown in FIG.
- FIG. 29A shows a stage portion and an object in a conventional physical quantity sensor manufacturing method. It is a sectional side view which shows the method of inclining a theoretical sensor chip.
- FIG. 29B is a side sectional view showing a method of inclining the stage portion and the physical quantity sensor chip in the conventional physical quantity sensor manufacturing method.
- FIG. 29C is a side sectional view showing a method of inclining the stage portion and the physical quantity sensor chip in the conventional physical quantity sensor manufacturing method.
- a physical quantity sensor 101 shown in FIG. 1 measures the direction and magnitude of an external magnetic field by having two physical quantity sensor chips 2 and 3 that are inclined with respect to each other. Manufactured.
- the two stage portions 6 and 7 are formed in a rectangular shape, and are provided to face each other across the center line of the lead frame 4. It differs from the magnetic sensor shown in FIGS. 26 to 29 in that the protrusions 8 and 9 are not formed.
- the physical quantity sensor 101 manufactured by the manufacturing method according to the first embodiment has two plate-like physical quantity sensors fixed to the lead frame 4 and the stage portions 6 and 7, respectively. Sensor wire 2, 3, physical quantity sensor chip 2, 3 and lead 5 b, metal wire 10, physical quantity sensor chip 2, 3, and lead 5 b And a mold part 11.
- the lead 5b and the connecting lead 5d located outside the resin mold part 11 are separated together with the rectangular frame part 5a.
- the resin mold part 11 is a part surrounded by a two-dot broken line shown in FIG. 1, FIG. 2, and FIG. 5, and the side section is formed in a substantially trapezoidal shape. Also integrated in the resin mold part 11 is a pressing member 20 having inclined surfaces 20a, 20b in surface contact with the plane formed by the back surfaces 6e, 7e of the inclined stage portions 6, 7.
- the pressing member 20 is made of metal and has a triangular cross section.
- the inclined surfaces 20a and 20b of the pressing member 20 have the same inclination angles as the angles at which the stage portions 6 and 7 should be inclined, respectively.
- the lead frame 4 shown in FIG. 2 is manufactured in the same manner as the conventional lead frame shown in FIG. 28 except that the protruding portions 8 and 9 are not provided.
- the physical quantity sensor chips 2 and 3 are bonded to the surfaces 6d and 7d of the stage portions 6 and 7, respectively. These physical quantity sensor chips 2 and 3 are electrically connected to the lead 5b by the wire 10.
- the rectangular frame portion 5a and the lead 5b in the vicinity of the rectangular frame portion 5a are sandwiched and fixed by the molds D and E.
- Molds D and E are used to encapsulate physical quantity sensor chips 2 and 3 in a resin.
- a pressing member 20 separated from the stage portions 6 and 7 is attached. Due to the inclined surfaces 20a and 20b, the pushing member 20 presses the back surfaces 6e and 7e of the stage parts 6 and 7 as the molds D and E move in the arrow direction when the molds D and E are clamped. As a result, the twisted portion 5e of the connecting lead 5d is twisted and the stage portions 6 and 7 are inclined.
- the inclined plane formed by the back surfaces 6e and 7e of the stage portions 6 and 7 and the inclined surfaces 20a and 20b of the pressing member 20 are in surface contact.
- the pushing member 20 is inclined by making surface contact with the back surfaces 6e and 7e of the inclined stage portions 6 and 7. Hold the stage parts 6 and 7 at a predetermined inclination angle.
- the molds D and E are placed in a state where the pressing member 20 is interposed between the stage portions 6 and 7 and the inner surface E1 of the mold E.
- the pressing member 20 reliably presses the back surfaces 6e and 7e of the stage portions 6 and 7, and thereby the stage portions 6 and 7 can be reliably inclined at a predetermined inclination angle.
- the pressing member 20 includes inclined surfaces 20a and 20b that are in surface contact with the back surfaces 6e and 7e of the inclined stage portions 6 and 7. Therefore, when injecting the grease into the molds D and E, the stage members 6 and 7 are securely held by the pressing member 20, and the stage portions 6 and 7 are free from distortion and displacement due to the injection of the resin. Can be fixed at a predetermined inclination angle.
- the pressing member 20 is formed of metal, and the pressing member 20 is integrally formed in the resin mold part 11. Therefore, there is an advantage that the heat dissipation efficiency of the physical quantity sensor 101 can be improved.
- the pressing member 20 is made of, for example, copper or brass.
- the side cross section of the pressing member 20 has a triangular shape, this is not necessarily limited thereto. That is, it is only necessary to have at least part of the inclined surfaces 20a and 20b in surface contact with the back surfaces 6e and 7e of the inclined stage portions 6 and 7.
- the pressing member 20 is not necessarily limited to a force formed of metal.
- the material of the pressing member 20 is not particularly limited.
- Press member 20 is made of, for example, grease
- the heat dissipation efficiency of the physical quantity sensor 101 can be improved by using a high heat dissipation resin or a resin mixed with a metal.
- the pressing member 20 may be formed of the same resin as the resin mold part 11, for example, and the material of the resin is not particularly limited.
- the force that the pressing member 20 presses and inclines the stage portions 6 and 7 is not necessarily limited to this. That is, before the molds D and E are clamped, the stage members 6 and 7 are pressed and tilted with the pressing member 20, and in this state, the pressing member 20 is fixed to the stage units 6 and 7 by appropriate means.
- the molds D and E may be clamped later, and the resin may be injected into the molds D and E for integration.
- the manufacturing method of the first embodiment described above is applied to a physical quantity sensor other than the physical quantity sensor shown in FIGS. 1 and 2 in which the twisted portion 5e is formed in the connecting lead 5d to incline the stage portions 6 and 7. be able to.
- this manufacturing method is applied to a physical quantity sensor in which a bent portion 5f that can be bent by being deformed into a connecting lead 5d to tilt the stage portions 6 and 7 is formed. Can also be applied.
- the physical quantity sensor chips 2 and 3 fixed to the stage portions 6 and 7 are also fixed to the lead 5b at one end portions 2a and 3a.
- the inner part of the lead 5b to which the physical quantity sensor chips 2 and 3 are fixed is formed to be, for example, half as thin.
- the inner portion of the lead 5b and the physical quantity sensor chips 2 and 3 are not fixed, and the lead 5b may only support the physical quantity sensor chips 2 and 3.
- At least the lead 5b has only to be in a positional relationship along the lower surfaces of the one end portions 2a and 3a of the physical quantity sensor chips 2 and 3.
- FIG. 1, FIG. 2, and FIG. 8 to FIG. 10 the manufacturing method according to the second embodiment of the present invention Explain the law.
- the same reference numerals are given to the components common to the first embodiment, and the detailed description thereof is omitted.
- the physical quantity sensor 103 manufactured according to the second embodiment is similar to the physical quantity sensor shown in FIG. 1, and the direction and magnitude of the external magnetic field by the two physical quantity sensor chips 2 and 3 tilted with respect to each other. Manufactured using the lead frame 4 shown in Fig. 2.
- the physical quantity sensor 103 manufactured according to the second embodiment has two plate-like physical shapes having a rectangular shape in plan view fixed to the lead frame 4 and the stage portions 6 and 7, respectively.
- Quantitative sensor chip 2, 3 and physical quantity sensor chip 2, 3 and lead 5b are electrically connected to metal wire 10, physical quantity sensor chip 2, 3, and lead 5b are integrated with grease.
- a resin mold part 11 to be used Of the lead frame 4, the lead 5b and the connecting lead 5d of the resin mold portion 11 where the force protrudes outward are separated together with the rectangular frame portion 5a.
- the resin mold part 11 is a part surrounded by a two-dot broken line shown in FIGS. 1, 2, and 10, and the side section is formed in a substantially trapezoidal shape.
- a plurality of pin-shaped pressing members 21 are also provided between the inclined stage parts 6 and 7 and the bottom surface 11a of the resin mold part 11 continuous with the back surface 4a of the lead 5b. It is integrated.
- These pin-shaped pressing members 21 are made of metal and are provided below the stage portion 6.7.
- a plurality of pin-shaped pressing members 21 are arranged at appropriate intervals on a straight line parallel to a straight line connecting the twisted portions 5e of the stage portions 6 and 7.
- Each pin-shaped pressing member 21 has one end 2 la in contact with the back surfaces 6 e and 7 e of the stage portions 6 and 7, and the other end 21 b disposed on the bottom surface 11 a of the resin mold portion 11.
- One end portion 21a of the pin-shaped pressing member 21 has a flat surface 21c that engages with the back surfaces 6e and 7e of the inclined stage portions 6 and 7.
- the lead frame 4 is manufactured in the same manner as that shown in the first embodiment.
- a plurality of pin-shaped pressing members 21 separated from the stage parts 6 and 7 are attached by appropriate means.
- These pressing members 21 press the back surfaces 6e and 7e of the stage portions 6 and 7 as the molds D and E move in the arrow direction when the molds D and E are clamped. Thereby, a twist deformation is generated in the twisted portion 5e of the connecting lead 5d, and the stage portions 6 and 7 are tilted at a predetermined tilt angle.
- the back surfaces 6e and 7e of the stage portions 6 and 7 and the flat surface 21c formed on the one end portion 21a of the pin-shaped pressing member 21 are engaged with each other.
- the pin-shaped pushing member 21 holds the inclined stage portions 6 and 7 at a predetermined inclination angle.
- the pressing member 21 erected by appropriate means between the stage portions 6 and 7 and the inner surface E1 of the mold E is clamped to the molds D and E.
- the back surfaces 6e and 7e of the stage portions 6 and 7 are pressed. Therefore, the stage portions 6 and 7 can be reliably inclined at a predetermined inclination angle.
- the inclined stage portions 6 and 7 are held by the pin-shaped pressing member 21. Therefore, when the resin is injected into the molds D and E, the stage parts 6 and 7 are securely held, and there is no distortion or displacement caused by the injection of the resin.
- the inclination angle can be made as follows.
- the pressing member 21 is formed of metal, and the pressing member 20 is integrally formed in the resin mold part 11. Therefore, physical There is also an advantage that the heat radiation efficiency of the quantity sensor 103 can be improved.
- the pressing member 21 is made of, for example, copper or brass and has a length that forms a predetermined inclination angle.
- the pin-shaped pressing member 21 can be made of the same material as the pressing member 20 used in the first embodiment. Further, the pin-shaped pressing member 21 may be disposed anywhere as long as it can reliably press the back surfaces 6e and 7e of the stage portions 6 and 7.
- the force that the one end portion 21a of the pin-shaped pressing member 21 has the flat surface 21c is not necessarily limited to this.
- the shape of the one end portion 21a of the pin-shaped pressing member 21 may be, for example, a spherical shape, a hemispherical shape, or a pointed shape.
- the manufacturing method of the second embodiment described above can also be applied to manufacture of the physical quantity sensor 102 shown in FIG. That is, this manufacturing method can be used for manufacturing a physical quantity sensor including a lead frame in which a bent portion 5f is formed in the connecting lead 5d in order to incline the stage portions 6 and 7.
- one end portions 2a and 3a of the physical quantity sensor chips 2 and 3 are fixed to the inner part of the thin lead 5b.
- the lead 5b only needs to be in a positional relationship along the lower surfaces of the one end portions 2a and 3a of the physical quantity sensor chips 2 and 3.
- FIG. 1, FIG. 2, FIG. 4, FIG. 5, FIG. the same reference numerals are assigned to the components common to the first embodiment, and the detailed description thereof is omitted.
- the physical quantity sensor manufactured according to the third embodiment is manufactured according to the first embodiment.
- FIG. 2 has the same configuration as that of the physical quantity sensor 101.
- the lead frame 4 is shaped. After the formation, as shown in FIG. 12, one inclined surface 22b of the pressing member 22 is in surface contact with the back surface 7e of one of the two stage portions 6 and 7 (the stage portion 7 in this example). It is fixed to. At this time, the other inclined surface 22a to which the pressing member 22 is not fixed is disposed below the back surface 6e of the stage portion 6.
- the inclined surfaces 22a and 22b of the pressing member 22 have the same inclination angle as the angle at which the stage portions 6 and 7 should be inclined, respectively.
- stage portions 6 and 7 and the inner surface E1 of the mold E Between the stage portions 6 and 7 and the inner surface E1 of the mold E, a pressing member 22 fixed to the stage portion 7 is provided. For this reason, when the molds D and E are clamped, the pushing member 22 is first fixed, and the end 22c of the inclined surface 22a comes into contact with the inner surface E1 of the mold E and is gradually pressed.
- the stage portion 7 on the side to which the pressing member 22 is fixed starts to be inclined by the deformation of the twisted portion 5e. Further, when the stage portion 7 on the side to which the pressing member 22 is fixed is inclined to some extent, the tip portion 6f of the stage portion 6 is pressed against the inclined surface 22a of the pressing member 22 that is not fixed, and the other stage portion 6 is inclined. Begin. When the molds D and E are completely clamped, the stage portions 6 and 7 are inclined at a predetermined inclination angle.
- the pressing member 22 connects the back surfaces 6e and 7e of the inclined stage portions 6 and 7 and the inclined surfaces 22a and 22b.
- the inclined stage portions 6 and 7 are held at a predetermined inclination angle by bringing them into surface contact with each other.
- the molds D and E are removed. Finally, the portion of the rectangular frame portion 5a and the lead 5b that protrudes outside the resin mold portion 11 is cut off to complete the manufacture of the physical quantity sensor 101.
- the pressing member 22 fixed to one of the stage portions 6 and 7 is provided between the stage portions 6 and 7 and the inner surface E1 of the mold E.
- the pressing member 22 becomes the back surfaces 6e and 7 of the stage parts 6 and 7.
- the stage sections 6 and 7 can be reliably tilted at a predetermined tilt angle.
- the pressing member 22 includes the inclined surfaces 22a and 22b in surface contact with the back surfaces 6e and 7e of the inclined stage portions 6 and 7. Therefore, when injecting the grease into the molds D and E, the stage portions 6 and 7 are securely held by the pressing member 22 and the stage portions 6 and 7 are free from distortion and displacement due to the injection of the grease. Can be fixed at a predetermined inclination angle.
- the pressing member 22 is formed of metal, and the pressing member 22 is integrally formed in the resin mold part 11. Therefore, there is an advantage that the heat dissipation efficiency of the physical quantity sensor 101 can be improved.
- the pressing member 22 is made of, for example, copper or brass.
- the pressing member 22 may be made of the same material as the pressing member 20 described in the first embodiment. Further, the shape of the pressing member 22 may be at least partially provided with inclined surfaces 22a and 22b that are in surface contact with the back surfaces 6e and 7e of the stage portions 6 and 7, as with the pressing member 20.
- the pressing member 22 fixed to the stage portion 7 is pressed before the molds D and E are clamped to incline the stage portions 6 and 7, and the pressing member 22 not fixed in this state is inclined.
- the surface 22a may be fixed to the stage portion 6, and then the molds D and E may be clamped, and the resin may be injected into the molds D and E to be integrated together.
- FIG. 6 The manufacturing method of the third embodiment described above is shown in FIG. 6 in which a bent portion 5f is formed in the connecting lead 5d in order to incline the stage portions 6 and 7, as in the first embodiment. It can also be used for physical quantity sensors!
- a pressing member 22 is fixed to one lower surface 6e or 7e of the stage portions 6 and 7, and this pressing member is clamped by the molds D and E. At stage 22, stage portions 6 and 7 are pressed.
- the bent portion 5f provided in the connecting lead 5d is bent, and the inner lead 5b formed thin is also bent together with this, and the stage portions 6 and 7 are inclined.
- FIG. 1, FIG. 2, FIG. 9, FIG. 10, FIG. the same reference numerals are given to the components common to the second embodiment, and the detailed description thereof is omitted.
- the physical quantity sensor manufactured according to the fourth embodiment is manufactured according to the second embodiment, and has the same configuration as the physical quantity sensor 103 shown in FIG. 1, FIG. 2, FIG. 9, and FIG.
- the difference from the second embodiment is that a pin-shaped pressing member 23 for inclining the stage portions 6 and 7 is attached to a fixing hole formed in the lower surfaces 6e and 7e of the stage portions 6 and 7. .
- the pin-shaped pressing member 23 is made of metal and is disposed at the same position as the pin-shaped pressing member 21 described above.
- Each of the pin-shaped pressing members 23 has one end portion 23 a fixed to the stage portions 6 and 7, and the other end portion 23 b disposed on the bottom surface 11 a of the resin mold portion 11.
- One end portion 23a of the pressing member 23 is such that when the stage portions 6 and 7 are inclined at a predetermined inclination angle, the axial center line of the pin-shaped pressing member 23 is relative to the bottom surface 11a of the resin mold portion 11.
- the stage parts 6 and 7 are fixed so that they intersect each other vertically.
- the other end portion 23b of the pin-shaped pressing member 23 comes into surface contact with the bottom surface 11a of the resin mold portion 11 when the stage portions 6 and 7 are inclined at a predetermined inclination angle.
- the lead frame 4 is manufactured in substantially the same manner as that used in the first embodiment, as shown in FIG.
- the fixing holes 6g are formed on the rear surfaces 7e of the stage portions 6 and 7. 7g is formed at the same time. After the lead frame 4 is formed, the one end 23a of the pressing member 23 is fitted and fixed to the fixing holes 6g and 7g.
- a pin-shaped pressing member 23 fixed to the stage portions 6 and 7 is interposed between the stage portions 6 and 7 and the inner surface E1 of the mold E.
- the other end portion 23b of the pressing member 23 arranged at the tip portions 6f and 7f of the stage portions 6 and 7 of the pressing member 23 is the mold first. Pressed by inner surface E1 of E, stage parts 6 and 7 are deformed torsion part 5e Start tilting with.
- the other end 23b of the pressing member 23 disposed substantially at the center of the stage parts 6 and 7 is pressed against the inner surface E1 of the mold E, and the stage parts 6 and 7 Tilts further.
- the stage sections 6 and 7 are tilted at a predetermined tilt angle.
- the pressing member 23 is made of, for example, copper or brass and has a length for forming a predetermined inclination angle in the stage portion. Furthermore, the pressing member 23 may be disposed anywhere as long as it can reliably press the back surfaces 6e and 7e of the stage portions 6 and 7. Furthermore, the shape of the other end 23b of the pin-shaped pressing member 23 may be, for example, a spherical shape, a hemispherical shape, or a pointed shape.
- one end portion 23a of the pressing member 23 is fixed to the stage portions 6 and 7 so that the axial center line of the pin-shaped pressing member 23 intersects the back surfaces 6e and 7e of the stage portions 6 and 7 perpendicularly. May be done. That is, the angle formed by the back surface 6e, 7e of the stage portions 6, 7 and the axial center line of the pin-shaped pressing member 23 is not limited.
- FIGS. 16A to 16E there are structures shown in FIGS. 16A to 16E for fixing the one end 23a of the pressing member 23 to the rear surfaces 6e and 7e of the stage parts 6 and 7.
- the fixing holes 6g and 7g formed in the stage portion are shown in FIGS. 16A and 16B.
- the method of fixing the one end portion 23a of the pin-shaped pressing member 23 to the fixing holes 6g and 7g is not limited to the fitting method, and a method of bonding with an adhesive or a method of fixing by welding alone or in combination. You can use it!
- the pressing member 23 may be formed of grease.
- the pressing member 23 may have a shape other than the pin shape as shown in Fig. 16C, for example.
- the pressing member 23 may have a cross-sectional area where the other end 23b of the pressing member 23 is larger than the cross-sectional areas of the fixing holes 6g and 7g. .
- a protruding piece 23c may be formed on at least a part of the pressing member 23. According to these configurations, the pressing member 23 is not easily displaced by the pressing by the inner surface E1 of the mold E, and the pressing force can be efficiently transmitted to the stage portions 6 and 7.
- the manufacturing method of the fourth embodiment can be used also for manufacturing the physical quantity sensor shown in FIG. 6, as in the second embodiment.
- the physical quantity sensor 104 manufactured according to the fifth embodiment is manufactured using the lead frame shown in FIG. 2 described above, and has the same configuration as the magnetic sensor shown in FIG.
- the physical quantity sensor chips 2 and 3 are bonded to the lead frame 4 and the wires 10 are electrically connected in the same manner as the above-described embodiment. Connected to.
- the frame portion 5 the rectangular frame portion 5 a and the vicinity of the rectangular frame portion 5 a of the lead 5 b are sandwiched and fixed by the molds F and G.
- the mold G is provided with an opening 121 for inserting a jig 120 described later.
- Money The inner surface Gl excluding the opening 121 of the mold G is flat so as to be in close contact with the rectangular frame portion 5a and the back surface 4a of the lead 5b.
- a jig 120 as a pressing member is inserted into the opening 121 of the mold G.
- the front end portion 120a of the jig 120 presses the back surfaces 6e and 7e of the stage portions 6 and 7, and the stage portions 6 and 7 are gradually inclined.
- the stage units 6 and 7 are inclined at a predetermined inclination angle.
- the front end portion 120a of the jig 120 is formed with inclined surfaces 120b and 120c that are in surface contact with the plane formed when the rear surfaces 6e and 7e of the stage portions 6 and 7 are inclined at a predetermined inclination angle.
- the distance from the straight line connecting the two twisted parts 5e of the stage parts 6 and 7 to the front end parts 6f and 7f of the stage parts 6 and 7 is a distance a, and the slope is in surface contact with the back surfaces 6e and 7e of the stage parts 6 and 7. If the distance d is the distance from the side edges 120d and 120e of the surfaces 120b and 120c to the tips 6f and 7f of the stage parts 6 and 7 that are in surface contact, the distance d will be 30% to 70% of the distance a. Has been. The distance d is more preferably about 50% of the distance a.
- the jig 120 is fixed.
- the inclined surfaces 120b and 120c provided on the front end 120a of the jig 120 and the back surfaces 6e and 7e of the inclined stage portions 6 and 7 are in surface contact with each other, and the jig 120 supports the stage portions 6 and 7. Therefore, the stage portions 6 and 7 are held at a predetermined inclination angle.
- This predetermined inclination angle is set to an angle at which the physical quantity sensor 104 can reliably detect the direction and orientation of the external magnetic field.
- the resin mold part 11 is formed with a recess 11 la having the shape of the inserted jig 120.
- the filling material is filled into the recess 11 la formed in the resin mold part 11.
- the physical quantity sensor 104 is filled as 11 lb of the shape along the recess 11 la.
- 11 lb of packing with high thermal conductivity is filled.
- it can be filled by filling a heat sink consisting of copper or brass, or by pumping a high heat dissipation resin or a resin mixed with metal into the recess 11 la.
- the same resin as the resin mold part 11 is filled.
- the stage portions 6 and 7 are inclined by pressing the jig portions 120 against the stage portions 6 and 7, so that a predetermined amount of the jig 120 is inserted.
- the stage parts 6 and 7 can be tilted properly with simple operation.
- the jig 120 includes inclined surfaces 120b and 120c, and the flat surfaces 6e and 7e formed by the back surfaces 6e and 7e of the inclined stage portions 6 and 7 and the respective surfaces Contact. Therefore, when the resin is injected into the molds F and G, the stage parts 6 and 7 are securely held, and the stage parts 6 and 7 that are not distorted or displaced due to the injection of the resin are kept at a predetermined inclination angle. It can be fixed with.
- a desired filler can be selectively filled into the recess 111a of the resin mold part 11 formed by removing the jig 120.
- a filler having high thermal conductivity it is possible to fill with a filler having high thermal conductivity, and when there is no need to improve the heat dissipation efficiency of the physical quantity sensor 104, the resin mold part 11 and The same rosin can be filled.
- the present invention is not limited to the fifth embodiment described above, but can be modified as appropriate without departing from the spirit of the present invention.
- the force that fills the recess 11 la of the resin mold part 11 formed by removing the jig 120 is not necessarily limited to this.
- the recess 11 la formed in the resin mold part 11 may be left as a space.
- the manufacturing method of the fifth embodiment described above can also be used for manufacturing the physical quantity line shown in FIG. That is, in order to incline the stage parts 6 and 7, it can also be used for the manufacture of a physical sensor including a lead frame in which a bent part 5f is formed on the connecting lead 5d. [0125] As shown in FIGS. 21A and 21B, the stage portions 6 and 7 of this physical quantity sensor are pressed by the jig 120, whereby the bent portion 5f provided on the connecting lead 5d is bent and tilted. To do.
- FIG. 1 In the description of the present embodiment, the same reference numerals are given to the components common to the above-described embodiments, and the detailed description thereof is omitted.
- the physical quantity sensor 105 manufactured by the sixth embodiment is provided on the back surfaces 122a and 123a of the stage portions 122 and 123 of the lead frame 4 shown in FIG.
- the stage parts 122 and 123 are inclined at a predetermined inclination angle, the concave parts 122b and 123b that engage with the jig 124 are formed.
- the physical quantity sensor chips 2 and 3 are bonded to the lead frame 4 in the same manner as in the above-described embodiment, and the wire 10 is used. They are electrically connected.
- the frame part 5 of the lead frame 4 the rectangular frame part 5a and the vicinity of the rectangular frame part 5a of the lead 5b are sandwiched and fixed by the dies F and G.
- the mold G is provided with an opening 121 for inserting the jig 124 therein.
- the inner surface G1 excluding the opening 121 is flat so as to be in close contact with the rectangular frame portion 5a and the back surface 4a of the lead 5b.
- a jig 124 as a pressing member is inserted into the opening 121 of the mold G. Both end portions 124a and 124b at the tip of the jig 124 engage with the recesses 122b and 123b, respectively, and press the back surfaces 122a and 123a of the stage portions 122 and 123, respectively. As a result, the jig 124 gradually tilts the stage portions 122 and 123. When the jig 124 is inserted by a predetermined insertion amount, the stage portions 122 and 123 are inclined at a predetermined inclination angle. As shown in FIG.
- the four sides 1221) formed on the back surfaces 122a and 123 & of the stage rods 122 and 123 are engaged with both ends 124a and 124b of the S jig 124, and the stage portions 122 and 123 are Hold at a predetermined tilt angle.
- molten resin is injected into the molds F and G, and the physical quantity sensor chips 2 and 3 are embedded in the resin to form the resin mold part 11.
- the physical quantity sensor chips 2 and 3 are fixed in the resin mold portion 11 in a state of being inclined with respect to each other.
- the resin mold part 11 As shown in FIG. 24, after the resin is consolidated and the resin mold part 11 is formed, the jig 124 and the dies F and G are removed. At this time, the resin mold part 11 is formed with a recess 111a having the shape of the inserted jig 124.
- the concave portion 11 la formed in the resin mold portion 11 is filled with a filler having the same shape as the concave portion 111a.
- a filler having high thermal conductivity is filled.
- a heat sink made of copper or brass is filled, or a high heat dissipation resin or a resin mixed with metal is ponted. If there is no need to improve the heat dissipation efficiency of the physical quantity sensor 105, the same resin as the resin mold part 11 is filled.
- portions of the lead 5b and the connecting lead 5d that protrude to the outside of the resin mold part 11 are cut off together with the rectangular frame part 5a to complete the manufacture of the physical quantity sensor 105.
- recesses 122b and 123b that engage with both ends 124a and 124b at the front end of the jig 124 are formed on the back surfaces 122a and 123a of the stage portions 122 and 123, respectively. Yes. Therefore, when the resin is injected into the molds F and G, the stage parts 122 and 123 are more securely held, and the stage parts 122 and 123 that are not distorted or displaced by the injection of the resin are given a predetermined inclination. Can be fixed at the corner.
- the recess 11la of the resin mold part 11 formed by removing the jig 124 may be left as it is without being filled with the filler.
- the present invention can be applied to a method of manufacturing a physical quantity sensor that measures the azimuth and orientation of a physical quantity such as magnetism and gravity, and the physical quantity sensor chip included in the physical quantity sensor is tilted accurately and reliably. Can do.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Lead Frames For Integrated Circuits (AREA)
- Pressure Sensors (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/696,949 US7754130B2 (en) | 2004-10-08 | 2007-04-05 | Method for manufacturing physical quantity sensor |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-296372 | 2004-10-08 | ||
| JP2004296372A JP2006108561A (ja) | 2004-10-08 | 2004-10-08 | 物理量センサの製造方法 |
| JP2005045296A JP4579003B2 (ja) | 2005-02-22 | 2005-02-22 | 物理量センサの製造方法 |
| JP2005-045296 | 2005-02-22 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/696,949 Continuation US7754130B2 (en) | 2004-10-08 | 2007-04-05 | Method for manufacturing physical quantity sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006040987A1 true WO2006040987A1 (ja) | 2006-04-20 |
Family
ID=36148282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/018470 Ceased WO2006040987A1 (ja) | 2004-10-08 | 2005-10-05 | 物理量センサの製造方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7754130B2 (ja) |
| KR (1) | KR20070049687A (ja) |
| TW (1) | TWI280400B (ja) |
| WO (1) | WO2006040987A1 (ja) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5622347B2 (ja) * | 2006-08-09 | 2014-11-12 | セイコーエプソン株式会社 | 慣性センサ装置 |
| US20100282860A1 (en) * | 2007-11-15 | 2010-11-11 | Field Leslie A | Systems for environmental modification with climate control materials and coverings |
| US8017450B2 (en) * | 2008-09-25 | 2011-09-13 | Silverbrook Research Pty Ltd | Method of forming assymetrical encapsulant bead |
| US20100075465A1 (en) * | 2008-09-25 | 2010-03-25 | Silverbrook Research Pty Ltd | Method of reducing voids in encapsulant |
| US8322207B2 (en) * | 2008-09-25 | 2012-12-04 | Silverbrook Research Pty Ltd | Tack adhesion testing device |
| US20100075446A1 (en) * | 2008-09-25 | 2010-03-25 | Silverbrook Research Pty Ltd | Method of forming assymetrical encapsulant bead |
| DE102018130723A1 (de) * | 2018-12-03 | 2020-06-04 | Infineon Technologies Ag | Erfassung eines Drehwinkels |
| JP7703475B2 (ja) * | 2022-03-22 | 2025-07-07 | 株式会社東芝 | 半導体装置 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07297335A (ja) * | 1994-04-21 | 1995-11-10 | Hitachi Cable Ltd | リードフレームの製造方法およびその製造装置 |
| JPH098195A (ja) * | 1995-06-16 | 1997-01-10 | Hitachi Cable Ltd | リードフレームのダウンセット加工方法および装置 |
| JPH09257511A (ja) * | 1996-03-22 | 1997-10-03 | Nissan Motor Co Ltd | 多次元実装構造と製造法 |
| JP2000243889A (ja) * | 1999-02-22 | 2000-09-08 | Sony Corp | 半導体装置用リードフレームの形状加工装置及び形状加工方法並びに半導体装置用リードフレーム |
| JP2004128474A (ja) * | 2002-07-29 | 2004-04-22 | Yamaha Corp | 磁気センサの製造方法およびリードフレーム |
| JP2004125779A (ja) * | 2002-07-29 | 2004-04-22 | Yamaha Corp | 磁気センサの製造方法およびリードフレーム |
| JP2004128473A (ja) * | 2002-07-29 | 2004-04-22 | Yamaha Corp | 磁気センサの製造方法およびリードフレーム |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8902849D0 (en) | 1989-02-09 | 1989-03-30 | Bonas Machine Co | Heald rod retention system for use with an electronic jacquard system |
| EP1387146A3 (en) * | 2002-07-29 | 2006-05-31 | Yamaha Corporation | Manufacturing method for magnetic sensor and lead frame therefor |
| JP4579003B2 (ja) * | 2005-02-22 | 2010-11-10 | ヤマハ株式会社 | 物理量センサの製造方法 |
| US20060211176A1 (en) * | 2005-03-09 | 2006-09-21 | Shiga International | Manufacturing method for physical quantity sensor using lead frame and bonding device therefor |
-
2005
- 2005-10-05 WO PCT/JP2005/018470 patent/WO2006040987A1/ja not_active Ceased
- 2005-10-05 TW TW94134803A patent/TWI280400B/zh not_active IP Right Cessation
- 2005-10-05 KR KR20077008902A patent/KR20070049687A/ko not_active Ceased
-
2007
- 2007-04-05 US US11/696,949 patent/US7754130B2/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07297335A (ja) * | 1994-04-21 | 1995-11-10 | Hitachi Cable Ltd | リードフレームの製造方法およびその製造装置 |
| JPH098195A (ja) * | 1995-06-16 | 1997-01-10 | Hitachi Cable Ltd | リードフレームのダウンセット加工方法および装置 |
| JPH09257511A (ja) * | 1996-03-22 | 1997-10-03 | Nissan Motor Co Ltd | 多次元実装構造と製造法 |
| JP2000243889A (ja) * | 1999-02-22 | 2000-09-08 | Sony Corp | 半導体装置用リードフレームの形状加工装置及び形状加工方法並びに半導体装置用リードフレーム |
| JP2004128474A (ja) * | 2002-07-29 | 2004-04-22 | Yamaha Corp | 磁気センサの製造方法およびリードフレーム |
| JP2004125779A (ja) * | 2002-07-29 | 2004-04-22 | Yamaha Corp | 磁気センサの製造方法およびリードフレーム |
| JP2004128473A (ja) * | 2002-07-29 | 2004-04-22 | Yamaha Corp | 磁気センサの製造方法およびリードフレーム |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20070049687A (ko) | 2007-05-11 |
| US7754130B2 (en) | 2010-07-13 |
| US20070184584A1 (en) | 2007-08-09 |
| TW200628822A (en) | 2006-08-16 |
| TWI280400B (en) | 2007-05-01 |
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