Passive Component Assembly With Dual-Substrate Heat Dissipation
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Solution Overview
Problem
Existing technologies face challenges in achieving adequate heat dissipation for passive components in power converters, particularly when these components are placed in current-carrying paths or near heat sources, leading to inefficiencies in thermal management and measurement accuracy.
Innovation Solution
A novel arrangement is proposed where a passive component is electrically connected between two substrates, with one substrate having a dielectric material layer that insulates and thermally conducts to a heat sink, positioned away from the first substrate, allowing for improved heat dissipation through an additional thermal path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If active components (transistors, diodes, etc.) are used in the arrangement, then the functionality and control capabilities are improved, but the probability of malfunction increases and reliability decreases
Solution Approach 1:
The patent extracts and removes active components (transistors, diodes, vacuum tubes, etc.) from the electrical arrangement, retaining only passive components (resistors, capacitors, inductors, transformers). This elimination of active components directly reduces malfunction probability while maintaining functional capabilities through passive component combinations.
Solution Approach 2:
The patent employs passive components that are inherently more reliable and longer-lasting than active components. Passive components have no moving parts, no breakdown mechanisms, and no need for replacement, effectively treating them as durable, non-disposable elements that maintain system reliability over time.
2Measurement precision
If complex control circuits are used to regulate voltage and current, then the precision of voltage and current control is improved, but the device complexity increases
Solution Approach 1:
The patent employs passive components that automatically regulate voltage and current without requiring complex control circuits. Resistors provide automatic current limiting, capacitors provide automatic voltage filtering and stabilization, and transformers provide automatic voltage transformation. The system serves itself through the inherent properties of passive components, eliminating the need for sophisticated external control mechanisms.
Solution Approach 2:
The patent achieves precise voltage and current control by utilizing the inherent electrical parameters of passive components. Resistors with specific resistance values, capacitors with defined capacitance, and inductors with determined inductance values work together to automatically regulate electrical parameters without complex control logic or additional active components.
3Adaptability or versatility
If active components are used to enable various functions, then the functionality is improved, but the maintenance requirements and replacement needs increase
Solution Approach 1:
The patent removes active components that require maintenance and replacement from the electrical arrangement. By using only passive components, the system eliminates the need for maintaining delicate electronic components, replacing failed parts, or updating software/firmware. Passive components are inherently more durable and require no such maintenance activities.
Solution Approach 2:
The patent employs passive components that are designed for long-term durability and minimal maintenance. Unlike active components that have finite lifetimes and require replacement, passive components maintain their electrical properties over time without degradation, effectively eliminating replacement needs and reducing maintenance requirements to zero.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This arrangement enhances thermal contact with the heat sink, reducing thermal resistance and improving measurement accuracy while enabling a longer service life, especially in high-power converters.
Implementation Method 1
a capacitor (30) connected in parallel to the load (20)
Implementation Method 2
an inductor (40) connected in parallel to the load (20)
Implementation Method 3
a resistor (10) connected in series to the diode (20)
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to an assembly (2) having at least one passive component (4), a first substrate (6), a second substrate (20) electrically connected to the first substrate (6), and a heat sink (28). In order to allow improved heat dissipation, according to the invention the first substrate (6) comprises a first conducting track (8) and a second conducting track (10), the first conducting track (8) being electrically connected to the second conducting track (10) by means of the passive component (4), the second substrate (20) comprising a second dielectric material layer (22), and the second dielectric material layer (22) of the second substrate (20) providing an electrically insulating and thermally conductive connection between the passive component (4) and the heat sink (28), which is disposed on a side of the second substrate (20) facing away from the first substrate (6).