摘要:
The present invention proposes a multi-chip semiconductor device having leads and a method for fabricating the same. The method includes the steps of: providing a substrate having a plurality of connection pads disposed on a surface thereof; mounting a plurality of semiconductor chips on the surface of the substrate, and electrically connecting the semiconductor chips to the surface of the substrate; forming an encapsulant on the substrate to encapsulate the semiconductor chips and expose the connection pads to form a package unit; and providing a lead frame having a plurality of leads, and electrically connecting the connection pads exposed from the package unit to the leads of the lead frame to form a multi-chip semiconductor device having leads, thereby forming a multi-chip semiconductor device having leads. By the multi-chip semiconductor device and the method for fabricating the same as proposed in the present invention, problems like poor reliability caused by stress induced by several types of materials in a semiconductor package into which a substrate and leads are integrated, moisture absorption by an encapsulated substrate, and cracks developed as a result of moisture absorption by the substrate can be avoided.
摘要:
A sensor semiconductor device and a method for fabricating the same are provided. At least one sensor chip is mounted and electrically connected to a lead frame. A first and a second encapsulation molding processes are sequentially performed to form a transparent encapsulant for encapsulating the sensor chip and a part of the lead frame and to form a light-impervious encapsulant for encapsulating the transparent encapsulant. The transparent encapsulant has a light-pervious portion formed at a position corresponding to and above a sensor zone of the sensor chip. The light-pervious portion is exposed from the light-impervious encapsulant. Light may penetrate the light-pervious portion, without using an additional cover board, thereby reducing manufacturing steps and costs. The above arrangement avoids prior-art problems of poor reliability caused by a porous encapsulant and poor signal reception caused by interference of ambient light entering into a conventional chip only encapsulated by a transparent encapsulant.
摘要:
A sensor-type package and a method for fabricating the same are provided. A wafer having a plurality of semiconductor chips is provided, wherein a plurality of holes are formed on a first surface of each of the semiconductor chips, and a plurality of metallic pillars formed in the holes and a plurality of bond pads connected to the metallic pillars form through silicon vias (TSVs). A groove is formed on a second surface of each of the semiconductor chips to expose the metallic pillars. A plurality of sensor chips having TSVs are stacked in the grooves of the semiconductor chips and electrically connected to the exposed metallic pillars. A transparent cover is mounted onto the second surfaces of the semiconductor chips to cover the grooves. A plurality of conductive components are implanted on the bond pads of the semiconductor chips. The wafer is cut along borders among the semiconductor chips.
摘要:
Proposed is a package structure having a micro-electromechanical (MEMS) element, including a chip having a plurality of electrical connecting pads and a MEMS element formed thereon; a lid disposed on the chip for covering the MEMS element; a stud bump disposed on each of the electrical connecting pads; an encapsulant formed on the chip with part of the stud bumps being exposed from the encapsulant; and a metal conductive layer formed on the encapsulant and connected to the stud bumps. The invention is characterized by completing the packaging process on the wafer directly to enable thinner and cheaper package structures to be fabricated within less time. This invention further provides a method for fabricating the package structure as described above.
摘要:
Proposed is a package structure having a micro-electromechanical (MEMS) element, including a chip having a plurality of electrical connecting pads and a MEMS element formed thereon; a lid disposed on the chip for covering the MEMS element; a stud bump disposed on each of the electrical connecting pads; an encapsulant formed on the chip with part of the stud bumps being exposed from the encapsulant; and a metal conductive layer formed on the encapsulant and connected to the stud bumps. The invention is characterized by completing the packaging process on the wafer directly to enable thinner and cheaper package structures to be fabricated within less time. This invention further provides a method for fabricating the package structure as described above.
摘要:
The invention discloses a sensor package and a method for fabricating the same. The sensor package includes: a substrate with an opening; a sensor chip disposed in the opening and electrically connected to the substrate; an encapsulant filling spacing between the sensor chip and the opening so as to secure the sensor chip to the substrate; and a transparent cover attached to the substrate via an adhesive layer, wherein the adhesive layer covers the sensor chip and bonding wires and is formed with an opening for exposing sensor region of the sensor chip. Securing the sensor chip in the opening of the substrate reduces the height of the sensor package, and meanwhile the process cost is reduced by eliminating the need of formation of conductive bumps on the sensor chip or the transparent cover and eliminating the need of specially designed substrate.
摘要:
This invention discloses a sensor semiconductor device and a manufacturing method thereof, including: providing a wafer having a plurality of sensor chips, forming a plurality of grooves between bond pads on active surfaces of the adjacent sensor chips; forming conductive traces in the grooves for electrically connecting the bond pads; mounting a transparent medium on the wafer for covering sensing areas of the sensor chips; thinning the sensor chips from the non-active surfaces down to the grooves, thereby exposing the conductive traces; cutting the wafer to separate the sensor chips; mounting the sensor chips on a substrate module having a plurality of substrates, electrically connecting the conductive traces to the substrates; providing an insulation material on the substrate module and between the sensor chips so as to encapsulate the sensor chips but expose the transparent medium; and cutting the substrate module to separate a plurality of resultant sensor semiconductor devices.
摘要:
A sensor-type package and a fabrication method thereof are provided. A sensor-type chip is mounted on a substrate and is electrically connected to the substrate via bonding wires. A light-pervious body is attached to the sensor-type chip, and has one surface covered with a covering layer and another surface formed with an adhesive layer. An encapsulant encapsulates the light-pervious body. As an adhesive force between the covering layer and the encapsulant is greater than that between the covering layer and the light-pervious body, the covering layer and a portion of the encapsulant located on the covering layer can be concurrently removed, such that the light-pervious body is exposed and light can pass through the light-pervious body to be captured by the sensor-type chip. The above arrangement eliminates the need of using a dam structure as in the prior art and provides a compact sensor-type package with improved fabrication reliability.
摘要:
Proposed is a package structure having a micro-electromechanical (MEMS) element, including a chip having a plurality of electrical connecting pads and a MEMS element formed thereon; a lid disposed on the chip for covering the MEMS element; a stud bump disposed on each of the electrical connecting pads; an encapsulant formed on the chip with part of the stud bumps being exposed from the encapsulant; and a metal conductive layer formed on the encapsulant and connected to the stud bumps. The invention is characterized by completing the packaging process on the wafer directly to enable thinner and cheaper package structures to be fabricated within less time. This invention further provides a method for fabricating the package structure as described above.
摘要:
Proposed is a package structure having a micro-electromechanical (MEMS) element, including a chip having a plurality of electrical connecting pads and a MEMS element formed thereon; a lid disposed on the chip for covering the MEMS element; a stud bump disposed on each of the electrical connecting pads; an encapsulant formed on the chip with part of the stud bumps being exposed from the encapsulant; and a metal conductive layer formed on the encapsulant and connected to the stud bumps. The invention is characterized by completing the packaging process on the wafer directly to enable thinner and cheaper package structures to be fabricated within less time. This invention further provides a method for fabricating the package structure as described above.