Patent application number | Description | Published |
20080251949 | Molding apparatus, molded semiconductor package using multi-layered film, fabricating and molding method for fabricating the same - Example embodiments include molding apparatuses, semiconductor packages, a fabricating methods for fabricating the same. The molding apparatus may include a first mold die for adhering a partially completed package, a second mold die including a cavity formed such that the partially completed package is positioned inside the cavity and a molding resin for encapsulating the partially completed package inserted into the cavity, and a multi-layered film supply unit for supplying a multi-layered film to the cavity of the second mold die. The semiconductor package may include a substrate, a semiconductor chip electrically connected to the substrate, a molding resin for encapsulating the semiconductor chip and an electrical portion of the substrate, and a marking film, adhered to an outer surface of the molding resin such that a mark is marked in the marking film. | 10-16-2008 |
20080315408 | Semiconductor package, semiconductor package module including the semiconductor package, and methods of fabricating the same - Provided are a semiconductor package and a semiconductor package module including the same. The semiconductor package may include a plurality of semiconductor chips, a plurality of leads connected to pads of the semiconductor chips and externally exposed, wherein the plurality of leads may be classified into a plurality of pin groups, and the plurality of semiconductor chips may be classified into a plurality of chip groups, and the pads of the semiconductor chips of like chip groups may be connected to the leads of like pin groups. | 12-25-2008 |
20090174078 | Semiconductor device and method of manufacturing the same - Provided is a semiconductor device and method of manufacturing the same. The semiconductor device may include a base material and a compound layer on the base material including a mixture of a non-adhesive organic material and a non-oxidizing metal material. | 07-09-2009 |
20090200362 | METHOD OF MANUFACTURING A SEMICONDUCTOR PACKAGE - In a lead-free solder, a semiconductor package and a method of manufacturing the semiconductor package, the lead-free solder includes about 3.5 percent by weight to about 6 percent by weight of silver, about 0.05 percent by weight to about 0.5 percent by weight of copper and a remainder of tin. The lead-free solder is employed in the semiconductor package. The lead-free solder has high impact resistance and high heat resistance to reduce failures of the semiconductor package. | 08-13-2009 |
20090278249 | Printed circuit board and method thereof and a solder ball land and method thereof - A printed circuit board and method thereof and a solder ball land and method thereof. The example printed circuit board (PCB) may include a first solder ball land having a first surface treatment portion configured for a first type of resistance and a second solder ball land having a second surface treatment portion configured for a second type of resistance. The example solder ball land may include a first surface treatment portion configured for a first type of resistance and a second surface treatment portion configured for a second type of resistance. A first example method may include first treating a first surface of a first solder ball land to increase a first type of resistance and second treating a second surface of a second solder ball land to increase a second type of resistance other than the first type of resistance. A second example method may include first treating a solder ball land to increase a first type of resistance and second treating the solder ball land to increase a second type of resistance other than the first type of resistance. | 11-12-2009 |
Patent application number | Description | Published |
20110110062 | Stack-type semiconductor device having chips having different backside structure and electronic apparatus including the same - A stack-type semiconductor device including semiconductor chips having different backside structures and an electronic apparatus including the stack-type semiconductor device include: a base frame for a semiconductor device; a first semiconductor chip that is mounted on the base frame and has a bottom surface having a first surface roughness; and a second semiconductor chip that is mounted on the first semiconductor chip and has a bottom surface having a second surface roughness, wherein the second surface roughness is greater than the first surface roughness by 1.2 nm or more. The stack-type semiconductor device is manufactured to be thin while cracking of the first semiconductor chip is prevented. In addition, changes in data caused by charge loss resulting from diffusion of metal ions, which can occur when a stack-type semiconductor device is a memory device, is prevented. | 05-12-2011 |
20110124273 | WAFER POLISHING APPARATUS FOR ADJUSTING HEIGHT OF WHEEL TIP - In a wafer polishing apparatus, the height of the wheel tip can be adjusted. The wafer polishing apparatus includes a wheel tip constructed and arranged to be in direct contact with a wafer; a spindle shaft configured to receive power to enable rotation of the wheel tip; a wheel shank positioned at a lower part of the spindle shaft and supporting the wheel tip, the wheel tip not being directly fixed thereto; and a moving shaft having a first side on which the wheel tip is mounted and an opposite side to which the spindle shaft is connected, and relatively movable with respect to the spindle shaft. | 05-26-2011 |
20110256736 | METHOD FOR PROCESSING A SUBSTRATE USING A LASER BEAM - A method for processing a substrate includes generating a first laser beam, splitting the first laser beam into a plurality of second laser beams, focusing the split second laser beams on a plane in the substrate parallel to a main surface of the substrate, and performing surface separation of the substrate along the plane. | 10-20-2011 |
20110318887 | METHOD OF MOLDING SEMICONDUCTOR PACKAGE - A method of molding a semiconductor package includes coating liquid molding resin or disposing solid molding resin on a top surface of a semiconductor chip arranged on a substrate. The solid molding resin may include powdered molding resin or sheet-type molding resin. In a case where liquid molding resin is coated on the top surface of the semiconductor chip, the substrate is mounted between a lower molding and an upper molding, and then melted molding resin is filled in a space between the lower molding and the upper molding. In a case where the solid molding resin is disposed on the top surface of the semiconductor chip, the substrate is mounted on a lower mold and then the solid molding resin is heated and melts into liquid molding resin having flowability. An upper mold is mounted on the lower mold, and melted molding resin is filled in a space between the lower molding and the upper molding. | 12-29-2011 |
20120013007 | PACKAGE-ON-PACKAGE SEMICONDUCTOR PACKAGE HAVING SPACERS DISPOSED BETWEEN TWO PACKAGE SUBSTRATES - A Package-on-Package (POP) semiconductor package has a structure in which a second semiconductor package is stacked on a first semiconductor package. A plurality of spacers are disposed between a first substrate of the first semiconductor package and a second substrate of the second semiconductor package so as to maintain a gap between the first substrate and the second substrate. The plurality of spacers may project from a bottom surface of the second substrate toward the first substrate, or may project from a top surface of the first substrate toward the second substrate. When an upper molding layer is formed on the second substrate so as to cover a second semiconductor chip, the plurality of spacers may be connected to the upper molding layer via through holes that vertically pass through the second substrate. When a first semiconductor chip is adhered to the top surface of the first substrate with an adhering layer, the plurality of spacers may be connected to the adhering layer on the top surface of the first substrate. | 01-19-2012 |
20120108035 | Method of Fabricating Semiconductor Device - A method of fabricating a semiconductor device includes preparing a semiconductor wafer having a top surface and a bottom surface. The semiconductor wafer is loaded onto a wafer chuck, and the bottom surface of the loaded semiconductor wafer faces the wafer chuck. A groove is formed in the top surface of the loaded semiconductor wafer by irradiating a second laser onto the top surface, and a reforming region is formed in the loaded semiconductor wafer under the groove by irradiating a first laser through wafer chuck and bottom surface of the semiconductor wafer into a region in which the first laser is focused. The semiconductor wafer is unloaded from the wafer chuck. The bottom surface of the semiconductor wafer is ground to decrease a thickness of the semiconductor wafer. The semiconductor wafer is separated along the groove and the reforming region, thereby forming a plurality of unit chips. | 05-03-2012 |
20130203220 | METHOD OF MOLDING SEMICONDUCTOR PACKAGE - A method of molding a semiconductor package includes coating liquid molding resin or disposing solid molding resin on a top surface of a semiconductor chip arranged on a substrate. The solid molding resin may include powdered molding resin or sheet-type molding resin. In a case where liquid molding resin is coated on the top surface of the semiconductor chip, the substrate is mounted between a lower molding and an upper molding, and then melted molding resin is filled in a space between the lower molding and the upper molding. In a case where the solid molding resin is disposed on the top surface of the semiconductor chip, the substrate is mounted on a lower mold and then the solid molding resin is heated and melts into liquid molding resin having flowability. An upper mold is mounted on the lower mold, and melted molding resin is filled in a space between the lower molding and the upper molding. | 08-08-2013 |