36results about How to "Thin Package Thickness" patented technology

A light emitting device package structure and a manufacturing method thereof are provided. The light emitting device package structure includes a light emitting device and a protecting element. The light emitting device has an upper surface and a lower surface opposite to each other, a side surface connecting the upper surface and the lower surface and a first electrode pad and a second electrode pad located on the lower surface and separated from each other. The protecting element encapsulates the side surface of the light emitting device and exposes at least portion of the upper surface, at least portion of a first bottom surface of the first electrode pad and at least portion of a second bottom surface of the second electrode pad.

The invention relates to a wafer-level packaging method and a packaging structure thereof. The packaging method comprises the following steps: providing a wafer which contains chip units; carrying out first protrusion fabrication process on the front face of the wafer; carrying out grooving twice between adjacent protrusions of the adjacent chip units on the front face of the wafer, wherein the width of a first groove is larger than that of a second groove, the depth of the first groove is smaller than that of the second groove and smaller than the thickness of the chip units, and the centers of the second groove and the first groove are on the same straight line which is perpendicular to the surface of the wafer; filling coating materials in the first groove and the second groove; coating the back face of the wafer, wherein the height of the coating materials is higher than the back surface of the wafer; and carrying out simplified cutting. Through a wafer protrusion technology, wafer-level partial grooving and wafer-level coating material filling, high-density input / output ports of products and high reliability are achieved, the products are light, thin and short, productivity is high, and cost is low.

The invention discloses a manufacturing method for an embedded type semiconductor package piece of an element. A metal substrate is provided. A metal layer is formed on the metal substrate and coats the metal substrate. The metal layer is provided with the upper surface, the lower surface and the first side surface, wherein the upper surface and the lower surface are mutually opposite and are connected through the first side surface. A patterning photo-resist layer is formed on the metal layer, and a part of the upper surface and a part of the lower surface are exposed out of the patterning photo-resist layer. A plurality of connecting pads are formed on the portion, exposed out of the patterning photo-resist layer, of the upper surface and the portion, exposed out of the patterning photo-resist layer, of the lower surface, and the patterning photo-resist layer coats second side surfaces of the connecting pads. The second side surfaces of the connecting pads are exposed after the patterning photo-resist layer is removed. A plurality of electronic elements are arranged on the connecting pads. An insulation layer is pressed on the metal layer in a combination mode and coats the electronic elements, the connecting pads and a part of the metal layer.

The invention relates to a wafer-level packaging method and a packaging structure thereof. The packaging method comprises the following steps: providing a wafer which contains chip units; carrying out protrusion fabrication process on the front face of the wafer; forming a first groove between adjacent protrusions of the adjacent chip units on the front face of the wafer; filling coating materials in the first groove, wherein after the filling, the coating materials in the first groove are aligned with the surfaces of the chip units; forming a second groove in the back face of the wafer, wherein the depth of the second groove is equal to the difference between the thickness of the wafer and the thickness of the coating materials in the first groove; filling coating materials in the second groove, wherein after the filling, the height of the coating materials is higher than the back surface of the wafer; and carrying out simplified cutting. Through a wafer protrusion technology, wafer-level partial grooving and wafer-level coating material filling, high-density input / output ports of products and high reliability are achieved, the products are light, thin and short, productivity is high, and cost is low.

The invention discloses a high-power output piezoelectric power converter, applying to the AC-DC or AC-AC piezoelectric power converter. In the invention, at least one third piezoelectric component replaces a capacitor arranged between a rectifying circuit and a power factor correcting circuit; at least one first piezoelectric component replaces a capacitor arranged in a resonance circuit; and at least one second piezoelectric component replaces a capacitor arranged on an output terminal of the rectifying circuit. The piezoelectric components have the advantages of small leakage current, high pressure resistance, good conversion efficiency, small volume and the like, thus reducing the danger of low pressure resistance and ignition owing to overheat in the common capacitor.

The invention discloses a manufacturing method for a packaging substrate. The method comprises the following steps: jointing two substrate metal layers; pressing two supporting layers on the substrate metal layers respectively; arranging two release metal films on the supporting layers respectively, wherein each release metal film comprises a first metal foil layer and a second metal foil layer which can be separated from each other; forming two first patterned metal layers on the release metal films respectively, wherein each first patterned metal layer comprises a connecting pad pattern; forming two dielectric layers on the release metal films respectively and covering the corresponding first patterned metal layers, wherein a conducting hole is formed in each dielectric layer and the dielectric layers are connected with the corresponding connecting pad patterns respectively; forming two second patterned metal layers on the dielectric layers respectively, wherein the second patterned metal layers at least cover the upper surfaces of the corresponding conducting holes; separating the substrate metal layers to form two packaging substrates independent of each other.

Disclosed is a microsensor package. Particularly, disclosed is a microsensor package, in which a sensing chip is packaged by using PCBs stacked on top of one another, whereby the thickness of the package slim can be kept slim, and at the same time, it can be manufactured at a low cost and can be easily manufactured.

A semiconductor package structure including a sensor die, a substrate, a light blocking layer, a circuit layer, a dam structure and an underfill is provided. The sensor die has a sensing surface. The sensing surface includes an image sensing area and a plurality of conductive bumps. The substrate is disposed on the sensing surface. The light blocking layer is located between the substrate and the sensor die. The circuit layer is disposed on the light blocking layer. The sensor die is electrically connected to the circuit layer by the conductive bumps. The dam structure is disposed on the substrate and surrounds the image sensing area. Opposite ends of the dam structure directly contact the sensor die and the light blocking layer. The underfill is disposed between the dam structure and the conductive bumps.

The invention discloses a high-heat-resistant packaging substrate. The high-heat-resistant packaging substrate comprises a base plate, a circuit board, a high-heat-resistant insulating layer, a patterned conductive layer and an anti-welding layer, wherein the circuit board is positioned on the upper surface of the base plate; the high-heat-resistant insulating layer is arranged above the circuit board; the patterned conductive layer is arranged at the upper portion of the high-heat-resistant insulating layer; an electronic element is arranged in the patterned conductive layer; and a thermal expansion coefficient of the high-heat-resistant insulating layer is between the thermal expansion coefficients of the base plate and the electronic element. The thermal expansion coefficient difference among the electronic element, the high-heat-resistant insulating layer and the base plate of the high-heat-resistant packaging substrate is gradually reduced, so that the phenomena that the electronic element falls off and is stripped can be avoided, and the service life of the packaging substrate is prolonged; the high-heat-resistant insulating layer is adopted, so that the heat-resistant strength of the substrate can be improved; the thickness of the circuit board is small, so that the subsequently finished packaging structure has relatively small packaging thickness, and the heat dissipation efficiency of the packaging substrate is improved; and the packaging substrate is suitable for industrial large-scale production.

A LED package structure including a carrier substrate, a flip-chip LED and a molding compound is provided. The carrier substrate includes a main body and a patterned conductive layer embedded in the main body. The main body is composed of polymer material. The main body has a cavity, and a bottom surface of the cavity is aligned with an upper surface of the patterned conductive layer. A difference in coefficient of thermal expansion between the main body in a rubbery state and the patterned conductive layer is smaller than 30 ppm / ° C. The flip-chip LED is disposed inside the cavity and electrically connected to the patterned conductive layer. The molding compound is disposed inside the cavity and encapsulates the flip-chip LED. A vertical distance between a top surface of the molding compound and the bottom surface of the cavity is smaller than or equal to a depth of the cavity.

The present invention provides a semiconductor package structure and a manufacturing method. The semiconductor package structure includes a substrate, at least one electronic component, an encapsulant, and a redistribution wiring layer. The substrate includes a thermally conductive insulating layer, a patterned circuit layer, and a metal layer. The thermally conductive insulating layer has a firstsurface and a second surface opposite to each other. The patterned circuit layer is disposed on the thermally conductive insulating layer and exposes a portion of the first surface of the thermally conductive insulating layer. The metal layer is disposed on the thermally conductive insulating layer and completely covers the second surface of the thermally conductive insulating layer. The electronic component is disposed on the substrate and electrically connected to the patterned circuit layer. The encapsulant at least covers the electronic component. The redistribution circuit layer is disposed on the encapsulant and electrically connected to the electronic component, wherein the edge of the encapsulant is approximately flush with the edge of the substrate.

The invention relates to a chip and antenna integrated three-dimensional packaging structure and a preparation method thereof. The chip and antenna integrated three-dimensional packaging structure comprises at least one chip, wherein the chip is provided with a first surface and a second surface, and the first surface is provided with a functional area and an electrode. The chip and antenna integrated three-dimensional packaging structure also comprises a glass substrate, wherein at least one through groove and at least one through hole are arranged on the glass substrate, and a metal conductive material is deposited in the inner walls of the through groove and the through hole; the chip and a heat dissipation metal block are embedded in the through groove through a bonding structure, andthe heat dissipation metal block is located on the second surface of the chip; the bonding structure is also filled in the through hole, a first wiring surface is formed on the first surface of the chip and one surface of the glass substrate, and a second wiring surface is formed on the surface of the heat dissipation metal block and the other surface of the glass substrate; the first wiring surface is provided with at least one metal circuit to be electrically connected with the electrode of the chip; the second wiring surface is provided with at least one grounding layer and at least one antenna layer, and the antenna layer is electrically connected with the metal conductive material on the through hole. The three-dimensional packaging structure has the advantages of compact structure, thin packaging thickness, short signal transmission line, low loss and high electrical property.

A circuit carrier with embedded substrate includes a circuit structure and an embedded substrate. The circuit structure includes a first dielectric layer, a first patterned circuit layer, a trench, and a plurality of first bumps. The first dielectric layer has a first surface and a second surface opposite to each other. The first patterned circuit layer is embedded in the first surface. The first bumps are disposed on the first surface and electrically connected to the first patterned circuit layer. The trench exposes a portion of the first dielectric layer. The embedded substrate is disposed in the trench and includes a plurality of second bumps. A chip package structure includes the above circuit carrier with embedded substrate.

The invention relates to a packaging structure and a manufacturing method thereof. The packaging structure comprises a circuit substrate, a first layer-adding line structure, a second layer-adding line structure, and a plurality of piezoelectric heat radiating units. The circuit substrate comprises a core layer, a plurality of electronic components, and a conducting unit. The electronic componentsare imbedded in the core layer, and the active surfaces of two adjacent electronic components respectively face towards the a first surface and a second surface of the core layer. The conducting unitis configured to the core layer and is electrically connected to the electronic components. The first and second layer-adding line structure are respectively configured to the first and second surface, and are respectively provided with at least one first opening and one second opening. Each piezoelectric heat radiating unit is corresponding to the active surface of the electronic component, andis electrically connected to the conducting unit, exposing from the first opening and the second opening. The invention is advantageous in that the electromagnetic wave interference among the electronic components can be prevented; the packaging is thin and volume can be small; the thin-type demand can be met.

The invention provides a multi-chip offset stacked package structure, which is symmetric on upper and lower sides. The multi-chip offset stacked package structure comprises a wire holder composed of a plurality of inner pin groups that are oppositely arranged and a chip bearing seat, wherein the chip bearing seat is positioned among the plurality of inner pin groups, and both the inner pin groups and the chip bearing seat have respective upper surfaces and low surfaces; a first multi-chip offset stacked package structure and a second multi-chip offset stacked package structure, which are respectively fixedly connected on the upper surface and the lower surface of the bearing seat of the chip; a plurality of metal wires for electronically connecting the first multi-chip offset stacked package structure and the second multi-chip offset stacked package structure with the inner pin groups; and a sealant for coating the first multi-chip offset stacked package structure, the second multi-chip offset stacked package structure, the inner pin groups and the bearing seat of the chip, and exposing outer pins.

The invention provides a package carrier and a manufacturing method thereof. The package carrier includes a substrate, at least one interposer, a conductive structure layer, a first build-up structure, and a second build-up structure. The interposer is disposed in the at least one opening of the substrate, and the interposer includes a glass substrate, at least one conductive via, at least one first pad, and at least one second pad. The conductive through hole penetrates through the glass substrate, and the first connecting pad and the second connecting pad are arranged on the upper surface and the lower surface, opposite to each other, of the glass substrate respectively and connected to the two opposite ends of the conductive through hole. The conductive structure layer is arranged on the substrate and is structurally and electrically connected with the first connecting pad and the second connecting pad. The first layer-adding structure and the second layer-adding structure are respectively configured on the first surface and the second surface of the substrate and are electrically connected with the conductive structure layer. The packaging carrier plate provided by the invention has better coplanarity.

The invention provides a multi-chip stacked packaging method and a multi-chip stacked package body. The method has the advantages that the interconnection between the stacked chips is realized by useof the combination of the redistribution layer and the conductive pillars; the method replaces the commonly used routing technique and substrate inversion technique for traditional package of stackedchips; and compared with the traditional chip-stacked layer BGA package, the overall package thickness is quite small, the package size is quite small under the condition of the same number of chips,and good electrical conductivity, thermal conductivity and reliability are achieved.

The invention discloses a lighting device for driving a light-emitting diode (LED) by using an insulated piezoelectric transformer. The lighting device comprises at least one insulated piezoelectric transformer connected to an LED module, the primary side of the insulated piezoelectric transformer receives pulse signals, the pulse signals are converted into an alternating current voltage in a piezoelectric voltage transformation mode, and the secondary side of the insulated piezoelectric transformer outputs the alternating current voltage to the LED module to drive lighting. Because of the advantages of low leakage current, good insulating property, high pressure resistance, low temperature, small volume, thin packing thickness, high conversion efficiency and the like, the insulated piezoelectric transformer can improve the lighting efficiency and even can reduce the volume effect of the whole lighting driving device.

The invention provides a chip packaging structure and a manufacturing method thereof. The manufacturing method of the chip packaging structure comprises the following steps that: a carrier plate on which a plurality of conductive blocks and at least one metal layer have been formed is provided, the carrier plate comprises a base material and a stainless steel layer sputtered on the base material, the base material is provided with a plurality of first grooves and at least one second groove surrounding the first grooves, the stainless steel layer conformally covers the first grooves and the second grooves to define a plurality of third grooves and at least one fourth groove, the third grooves are filled with the conductive blocks, the metal layer covers the stainless steel layer, the conductive blocks and the fourth grooves to define at least one fifth groove; at least one chip is arranged in the fifth groove; at least one circuit structure layer is formed on the carrier plate; the patterned circuit layer of the circuit structure layer is electrically connected with the plurality of electrodes of the chip; and the carrier plate and the circuit structure layer are separated to expose the conductive blocks and the metal layer.