INTEGRATED CIRCUIT INCLUDING SENSOR HAVING INJECTION MOLDED MAGNETIC MATERIAL
First Claim
Patent Images
1. An integrated circuit comprising:
- a magnetic field sensor; and
an injection molded magnetic material enclosing at least a portion of the magnetic field sensor.
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Abstract
An integrated circuit includes a magnetic field sensor and an injection molded magnetic material enclosing at least a portion of the magnetic field sensor.
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Citations
25 Claims
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1. An integrated circuit comprising:
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a magnetic field sensor; and an injection molded magnetic material enclosing at least a portion of the magnetic field sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system comprising:
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a magnetic field sensor; and a controller coupled to the magnetic field sensor, wherein the magnetic field sensor comprises; a leadframe; a die including a magnetic field sensitive element, the die coupled to a front side of the leadframe; and a magnetic material injection molded over a back side of the leadframe. - View Dependent Claims (11, 12, 13)
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14. A sensor comprising:
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a leadframe; a die including magnetic field sensitive elements, the die coupled to a front side of the leadframe; pins; bond wires electrically coupling the die to the pins; and a first magnetic material injection molded adjacent a back side of the leadframe. - View Dependent Claims (15, 16, 17, 18)
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19. A method for fabricating an integrated circuit, the method comprising:
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providing a magnetic field sensor; and injection molding magnetic material over at least a portion of the magnetic field sensor. - View Dependent Claims (20, 21, 22, 23)
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24. A method for fabricating a sensor, the method comprising:
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providing a leadframe belt including a leadframe and pins; attaching a magnetic field sensor die to the leadframe; electrically coupling the die to the pins to provide a magnetic field sensor assembly; injection molding magnetic material over at least a portion of the magnetic field sensor assembly to provide a magnetic field sensor; and removing the magnetic field sensor from the leadframe belt. - View Dependent Claims (25)
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Specification