Dielectric Device Intermediate Region Adhesion
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Solution Overview
Problem
Existing dielectric devices face challenges in achieving strong adhesion between conductors and dielectrics, which affects the reliability and performance of these devices.
Innovation Solution
Incorporating an intermediate region with additives such as Si, Al, P, Mg, Mn, Y, V, Mo, Co, Nb, Fe, or Cr between the conductor and dielectric, which enhances the critical peeling load value and adhesion strength by forming a mixed region that can include simple substances or oxides of these elements, thereby improving the bonding between the two layers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a dielectric is directly provided on a conductor, then the structure is simple, but the adhesion between conductor and dielectric is insufficient
Solution Approach 1:
An intermediate region is introduced between the conductor and dielectric layer. This intermediate region contains additives (such as Si, Al, P, Mg, Mn, Y, V, Mo, Co, Nb, Fe, or Cr) that react with the dielectric material to form a transition zone, thereby improving adhesion without requiring complex multi-layer structures
Solution Approach 2:
The concentration of additives in the intermediate region is optimized to enhance adhesion. By controlling the amount and distribution of additive elements, the critical peeling load value is increased while maintaining structural simplicity
2Strength
If an intermediate region with additives is formed, then adhesion strength is enhanced, but manufacturing process becomes more complex
Solution Approach 1:
Additives are pre-mixed into the intermediate region before the dielectric layer is formed. This preliminary preparation allows the additives to be uniformly distributed and react with the dielectric material during subsequent processing steps, simplifying the overall manufacturing process while achieving strong adhesion
Solution Approach 2:
The intermediate region is formed as a composite material containing the conductor, additive elements, and dielectric material. This composite structure provides both mechanical strength and chemical reactivity to enhance adhesion, while the integrated formation process maintains manufacturing simplicity
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
The approach significantly increases the adhesion strength of the dielectric devices, leading to improved reliability and favorable electric characteristics, particularly in thin-film capacitors, by forming an intermediate region that reacts with the dielectric material and enhances the peeling load value.
Implementation Method 1
The element in the additive and a dielectric material constituting the dielectric may partly react with each other
Implementation Method 2
heating the first conductor and the dielectric provided on the first conductor can form the intermediate region
Data Source
AI summary
A dielectric device has a first conductor and a dielectric disposed thereon. An intermediate region is formed between the first conductor and dielectric. In the intermediate region, an additive different from the first conductor and dielectric and the dielectric are mixed with each other. The additive contains at least one element of Si, Al, P, Mg, Mn, Y, V, Mo, Co, Nb, Fe, and Cr.