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Driver board assemblies and methods of forming a driver board assembly

專(zhuān)利號(hào)
US11497112B2
公開(kāi)日期
2022-11-08
申請(qǐng)人
Toyota Motor Engineering & Manufacturing North America, Inc.; Toyota Jidosha Kabushiki Kaisha(US TX Plano JP Aichi-Ken)
發(fā)明人
Feng Zhou; Hiroshi Ukegawa; Shohei Nagai
IPC分類(lèi)
H05K1/02; H05K1/18; H05K3/30; H05K7/20; H05K3/46
技術(shù)領(lǐng)域
pcb,layer,substrate,conductive,layers,assemblies,or,power,board,cooling
地域: TX TX Plano

摘要

A circuit board assembly includes a printed circuit board (PCB) substrate, a cooling assembly, an intermediate layer, one or more power devices, and a plurality of conductive layers arranged within the PCB substrate. The PCB substrate has a first surface and an opposite second surface that has a first electrical pattern. The cooling assembly is thermally coupled to the second surface of the PCB substrate. The intermediate layer is sandwiched between the PCB substrate and the cooling assembly. The one or more power devices are embedded within the PCB substrate. The plurality of conductive layers are configured to electrically couple the one or more power devices and thermally couple the one or more power devices to the cooling assembly. At least a portion of the intermediate layer has a second electrical pattern that is similarly patterned to the first electrical pattern of the second surface of the PCB substrate.

說(shuō)明書(shū)

In yet another aspect, a method of forming a circuit board assembly is provided. The method includes arranging one or more power devices between a first surface and an opposite second surface of a printed circuit board (PCB) substrate and arranging a plurality of conductive layers within the PCB substrate. The plurality of conductive layers are configured to electrically couple the one or more power devices and thermally couple the one or more power devices to a cooling assembly. The method continues by arranging an intermediate layer sandwiched between the second surface of the PCB substrate and the cooling assembly and arranging the cooling assembly to couple to the intermediate layer and thermally couple to the second surface of the PCB substrate. The intermediate layer has a first electrical pattern that is similarly patterned to a second electrical pattern of the second surface of the PCB substrate.

These and additional features provided by the embodiments described herein will be more fully understood in view of the following detailed description, in conjunction with the drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

The embodiments set forth in the drawings are illustrative and exemplary in nature and not intended to limit the subject matter defined by the claims. The following detailed description of the illustrative embodiments can be understood when read in conjunction with the following drawings, where like structure is indicated with like reference numerals and in which:

FIG. 1 schematically depicts a driver board assembly, according to one or more embodiments shown and described herein;

權(quán)利要求

1
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