A printed wiring board includes a first outer surface, a second outer surface, and an electronic circuit. The second outer surface is opposite to the first outer surface. The electronic circuit includes at least one specific design circuit block and at least one common design circuit block. The at least one specific design circuit block is provided on the first outer surface and designed in accordance with a specification of a device to which the printed wiring board is applied. The at least one common design circuit block is for a common use regardless of the specification of the device. The at least one common design circuit block is provided on the second outer surface.

A temperature adjustment module and a temperature adjustment method are provided. The temperature adjustment module includes a temperature control module, a temperature changing module, and a temperature sensor. The temperature changing module is in contact with a peripheral circuit element and electrically connected to the temperature control module. The temperature sensor is in contact with the peripheral circuit element and electrically connected to the temperature control module. When a cool down module on a main circuit element of a mother board cools down the main circuit element, the temperature sensor detects a peripheral temperature of the peripheral circuit element. The temperature control module determines whether the peripheral temperature is lower than or higher than a target temperature to determine whether to operate the temperature changing module to perform temperature adjustment on the peripheral circuit element.

Circuit arrangement for vehicles with at least one semiconductor element 30 and at least one first metal carrier plate 2a and a metal circuit board 2b. A multifaceted scope of application is provided if the carrier plate 2a is electrically insulated from the circuit board 2b and the carrier plate 2a is electrically linked with at least one of the circuit boards 2b by means of at least one semiconductor device 30 so that the carrier plate 2a and the circuit board 2b form an electrical three-pole.

A light emitting device package can include a base including a flat top surface; first and second electrical circuit layers on the flat top surface; a light emitting diode on a region of the flat top surface; an optical member to pass light; and a guiding member having a closed loop shape surrounding the region for guiding the optical member, in which the first and second electrical circuit layers respectively include first and second portions disposed between the flat top surface and a bottom surface of the guiding member, in which the first and second electrical circuit layers respectively include first and second extension portions that respectively extend from the first and second portions to locations outside of an outer edge of the guiding member in different directions.

An apparatus and system for a heat sink assembly, and a procedure for forming a heat sink assembly. The heat sink assembly includes a heat sink having a base and fins extending from the base, and a spring clip disposed on the heat sink between the fins. The spring clip includes a first tab that forms a first angle with respect to the base of the heat sink and including a second tab that forms a second angle with respect to the base of the heat sink. The first and second tabs are attached to the circuit board. By virtue thereof, a heat sink attachment to cage is provided that is space-efficient and permits a higher density of cages on a circuit board than do conventional arrangements.

A light emitting device package including a base including a top flat surface; an insulating layer on the base; a light emitting diode on the base; an optical member comprising a light transmissive material such that light emitted from the light emitting diode passes therethrough; a guiding member to guide the optical member, the guiding member having a ring shape; an electrical circuit layer electrically connected to the light emitting diode, the electrical circuit layer including an electrode portion and an extended portion, the electrode portion disposed inside the guiding member and electrically connected to the light emitting diode, the extended portion extended from the electrode portion to outside the guiding member; and an electrode layer on the electrode portion of the electrical circuit layer and electrically connected to the light emitting diode.

Electronic device heat transfer technology is disclosed. In an example, an electronic device package can include a substrate. The electronic device package can also include a heat transfer component. The electronic device package can further include a heat-generating electronic component coupled to the substrate between the substrate and the heat transfer component. The electronic device package can also include a viscous thermal interface material (TIM) providing a heat transfer pathway between the electronic component and the heat transfer component. In addition, the electronic device package can include a barrier about at least a portion of a periphery of the viscous TIM to maintain the viscous TIM within a confined location in proximity to the electronic component. The TIM is uninterrupted by the barrier within the periphery.

A shield cover includes a cover body that is formed of a metal plate and for covering an electronic component, a leaf spring formed by cutting a part of the cover body, and a projection that is disposed on the leaf spring and projects in the thickness direction of the leaf spring.

An apparatus and system for a heat sink assembly, and a procedure for forming a heat sink assembly. The heat sink assembly includes a heat sink having a base and fins extending from the base, and a spring clip disposed on the heat sink between the fins. The spring clip includes a first tab that forms a first angle with respect to the base of the heat sink and including a second tab that forms a second angle with respect to the base of the heat sink. The first and second tabs are attached to the circuit board. By virtue thereof, a heat sink attachment to cage is provided that is space-efficient and permits a higher density of cages on a circuit board than do conventional arrangements.

A method for producing or disassembling an electronic assembly are provided. The assembly may have a heating device integrated into a substrate. The heating device can be heated via an external power supply during the assembly process so that, for example, solder connections of an electric component can be melted. The heating device can also be used when operating the electronic assembly, and the heating device can then be directly actuated by the component. For this purpose, an electric connection is then established between the component and the heating device, the connection not yet being provided during the thermal assembly process in order to protect the electronic components of the circuit from being damaged.