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Class Information
Number: 257/718
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Housing or package > With provision for cooling the housing or its contents > Heat dissipating element held in place by clamping or spring means
Description: Subject matter wherein an element for dissipating heat is held in place by means to clamp it to the device or vice versa, or by a spring to position the device and heat dissipating element in thermal contact with each other.


Sub-classes under this class:

Class Number Class Name Patents
257/719 Pressed against semiconductor element 980


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Patent Number Title Of Patent Date Issued
7460372 Fixing means for heat dissipater Dec. 2, 2008
7460371 Wiffle tree components, cooling systems, and methods of attaching a printed circuit board to a heat sink Dec. 2, 2008
7446407 Chip package structure Nov. 4, 2008
7446408 Semiconductor package with heat sink Nov. 4, 2008
7443026 IC chip package having force-adjustable member between stiffener and printed circuit board Oct. 28, 2008
7440284 Holding device for a heat sink Oct. 21, 2008
7436670 Heat sink retaining device Oct. 14, 2008
7436673 Heat sink fixing assembly Oct. 14, 2008
7433194 Heat sink fastening assembly Oct. 7, 2008
7429792 Stack package with vertically formed heat sink Sep. 30, 2008
7430122 Electronic device assembly with clips for mounting a heat sink thereon Sep. 30, 2008
7426112 Heat dissipating module Sep. 16, 2008
7414844 Liquid cooled heat sink with cold plate retention mechanism Aug. 19, 2008
7414847 Heat dissipation device Aug. 19, 2008
7409751 Clip for heat sink Aug. 12, 2008
7409752 Structure of holding mechanism with rotatable knob for radiator Aug. 12, 2008
7411791 Extendable heat dissipation apparatus Aug. 12, 2008
7405938 Heat sink clip Jul. 29, 2008
7400506 Method and apparatus for cooling a memory device Jul. 15, 2008
7397663 Clip for heat dissipation device Jul. 8, 2008
7397664 Heatspreader for single-device and multi-device modules Jul. 8, 2008
7397666 Wedge lock Jul. 8, 2008
7394656 Heat dissipation device Jul. 1, 2008
7394658 Heat sink with twist lock mounting mechanism Jul. 1, 2008
7391616 Plasma display device Jun. 24, 2008
7391615 Clip for heat sink Jun. 24, 2008
7391613 Memory module assembly including a clamp for mounting heat sinks thereon Jun. 24, 2008
7388747 Heat plate fixing structure Jun. 17, 2008
7385825 Heat dissipation device Jun. 10, 2008
7382618 Heat dissipating apparatus for computer add-on cards Jun. 3, 2008
7382622 Heat sink assembly Jun. 3, 2008
7375963 System and method for cooling a module May. 20, 2008
7372147 Supporting a circuit package including a substrate having a solder column array May. 13, 2008
7365923 Heat sink tab for optical sub-assembly Apr. 29, 2008
7362575 Cooling method use diamond pins and heat pipes Apr. 22, 2008
7361986 Heat stud for stacked chip package Apr. 22, 2008
7360586 Wrap around heat sink apparatus and method Apr. 22, 2008
7359196 Dual impeller push-pull axial fan heat sink Apr. 15, 2008
7359200 Fastener with snap-on feature, heat dissipation assembly for central processing unit and method of using the same Apr. 15, 2008
7359202 Printer apparatus Apr. 15, 2008
7355857 Heat sink gasket Apr. 8, 2008
7349220 Memory module assembly Mar. 25, 2008
7349219 Memory module assembly including a clip for mounting a heat sink thereon Mar. 25, 2008
7349218 Locking device for a heat sink Mar. 25, 2008
7349217 IC socket assembly Mar. 25, 2008
7348664 Semiconductor apparatus having a cooling apparatus that compressively engages a semiconductor device Mar. 25, 2008
7348604 Light-emitting module Mar. 25, 2008
7347249 Fixing device for a radiator Mar. 25, 2008
7344048 Dispensing device and analyzing apparatus Mar. 18, 2008
7345880 Heat sink module Mar. 18, 2008

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16


 
 
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