Abstract: A method is provided for forming an integrated circuit (IC) chip package structure. The method includes providing a substrate for an interposer, and forming a conductive interconnect structure in and on the substrate for connecting a group of selected IC dies. The method includes forming warpage-reducing trenches in non-routing regions of the interposer, wherein the warpage-reducing trenches are sized and positioned based on a warpage characteristic to reduce the warpage of the chip package structure. The method also includes depositing a warpage-relief material in the warpage-reducing trenches according to the warpage characteristic to reduce the warpage of the chip package structure, and bonding the group of selected IC dies to the interposer to form a chip package structure.

Abstract: A method for removing a heavy metal from water includes subjecting a microbial solution containing a liquid culture of a urease-producing bacterial strain and a reaction solution containing a manganese compound and urea to a microbial-induced precipitation reaction, so as to obtain biomineralized manganese carbonate (MnCO3) particles, admixing the biomineralized MnCO3 particles with water containing a heavy metal, so that the biomineralized MnCO3 particles adsorb the heavy metal in the water to form a precipitate, and removing the precipitate from the water.

Abstract: A circuit board module includes a circuit board and a heat-dissipating device. The circuit board includes a ceramic substrate, and a circuit pattern formed on a surface of the ceramic substrate. The circuit board is sinter-bonded to a main body of the heat-dissipating device. A method of making the circuit board module is also disclosed.

Abstract: A circuit board module includes a circuit board and a heat-dissipating device. The circuit board includes a ceramic substrate, and a circuit pattern formed on a surface of the ceramic substrate. The circuit board is sinter-bonded to a main body of the heat-dissipating device. A method of making the circuit board module is also disclosed.

Abstract: A circuit board module includes a circuit board and a heat-dissipating device. The circuit board includes a ceramic substrate, and a circuit pattern formed on a surface of the ceramic substrate. The circuit board is sinter-bonded to a main body of the heat-dissipating device. A method of making the circuit board module is also disclosed.

Abstract: A packaging substrate device includes: a first laminate including a first ceramic substrate and a first copper pattern disposed on an upper surface of the first ceramic substrate; and a second laminate disposed over the first copper pattern and including a second ceramic substrate, a second copper pattern that is disposed on an upper surface of the second ceramic substrate, and a through hole extending through the second ceramic substrate and the second copper pattern to expose a copper portion of the first copper pattern. A light emitting semiconductor die can be mounted on the copper portion within the through hole. Efficient heat dissipation can be achieved through the first laminate.

Abstract: A method for making a packaging device for an electronic element includes: preparing a ceramic frame body defined with a hollow space for receiving the electronic element therein; preparing a ceramic substrate having a copper layer formed thereon; etching the copper layer to form a predetermined copper pattern on an upper surface of the ceramic substrate; placing the ceramic frame body onto the upper surface of the ceramic substrate and in contact with the copper pattern; and heating the ceramic frame body and the ceramic substrate such that the copper pattern bonds the ceramic frame body to the ceramic substrate. A packaging device for an electronic element is also disclosed.

Abstract: A circuit board module includes a circuit board and a heat-dissipating device. The circuit board includes a ceramic substrate, and a circuit pattern formed on a surface of the ceramic substrate. The circuit board is sinter-bonded to a main body of the heat-dissipating device. A method of making the circuit board module is also disclosed.

Abstract: A packaging substrate device includes: a first laminate including a first ceramic substrate and a first copper pattern disposed on an upper surface of the first ceramic substrate; and a second laminate disposed over the first copper pattern and including a second ceramic substrate, a second copper pattern that is disposed on an upper surface of the second ceramic substrate, and a through hole extending through the second ceramic substrate and the second copper pattern to expose a copper portion of the first copper pattern. A light emitting semiconductor die can be mounted on the copper portion within the through hole. Efficient heat dissipation can be achieved through the first laminate.

Abstract: A method for making a printed circuit board includes: (a) preparing a laminate having a ceramic substrate, first and second metal foils disposed on two opposite surfaces of the ceramic substrate, and a through hole extending through the ceramic substrate and the first and second metal foils; (b) filling the through hole with a metal paste such that the metal paste is in contact with the first and second metal foils; and (c) sintering the metal paste and the laminate such that the metal paste is connected electrically to the first and second metal foils. A printed circuit board made according to the method is also disclosed.

Abstract: A method for making a packaging device for an electronic element includes: preparing a ceramic frame body defined with a hollow space for receiving the electronic element therein; preparing a ceramic substrate having a copper layer formed thereon; etching the copper layer to form a predetermined copper pattern on an upper surface of the ceramic substrate; placing the ceramic frame body onto the upper surface of the ceramic substrate and in contact with the copper pattern ; and heating the ceramic frame body and the ceramic substrate such that the copper pattern bonds the ceramic frame body to the ceramic substrate. A packaging device for an electronic element is also disclosed.