Non-reciprocal Circuit Device Holder Integration for Height Reduction
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Solution Overview
Problem
Non-reciprocal circuit devices, such as isolators and circulators, face challenges in reducing height, achieving high mechanical securing strength, minimizing component count, improving assembly yield and cost, and facilitating layout changes for mobile communication devices, with existing solutions insufficient in addressing these issues.
Innovation Solution
A non-reciprocal circuit device configuration featuring a gyromagnetic component assembly housed in a holder with a support member, where the holder is inserted into a holder insertion hole, providing mechanical securing strength and reducing height without compromising inner space capacity, and allowing for reduced component count and simplified assembly processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional mounting methods are used, then assembly is simple, but mechanical securing strength is insufficient and height cannot be reduced
Solution Approach 1:
The holder and support member are merged into a single integrated component where the holder directly engages with the support member's recess. This eliminates the need for separate mounting brackets or additional fastening components, achieving both high mechanical strength and assembly simplicity through structural integration.
Solution Approach 2:
The holder is nested within the support member structure, with the holder's outer surface fitting into a recess formed in the support member. This nested configuration provides strong mechanical interlocking while maintaining a compact overall structure that reduces height.
2Length of stationary object
If height is reduced, then device size decreases, but mechanical securing strength may be compromised
Solution Approach 1:
Instead of relying solely on vertical height for mechanical strength, the design transitions to horizontal engagement through the recess-fit structure between holder and support member. The strength is derived from lateral interlocking and surface area contact rather than vertical compression, enabling height reduction without strength compromise.
Solution Approach 2:
The holder and support member are designed as composite structural elements where the engagement interface combines multiple geometric features (recess shape, outer surface contour, positioning protrusions) to create a multi-mechanism connection that achieves high strength in a compact package.
3Ease of manufacture
If multiple separate components are used, then assembly flexibility is high, but component count increases and assembly cost rises
Solution Approach 1:
The integrated holder-support member structure serves multiple functions simultaneously: mechanical support, electrical connection, positioning, and mounting. This multi-functional design reduces component count and assembly cost while the modular nature of the integration allows for layout variations and receptacle configurations.
4Length of stationary object
If conventional holder mounting is used, then assembly is straightforward, but height reduction is limited
Solution Approach 1:
The support member is segmented into distinct functional zones: the recess area for holder engagement, the terminal connection area, and the mounting area. This segmentation allows each zone to be optimized independently for its specific function while maintaining overall manufacturing simplicity through standard fabrication processes.
Data Source
AI summary
There is provided a non-reciprocal circuit device which is suitable for a reduction in height, an increase in a mechanical securing strength and a reduction in a number of components, and has a improvement in the yield of assembly, a sufficiently reduction in the man-hour and cost for assembly.A gyromagnetic component assembly 10 is accommodated in a holder 30. A support member 40 has a holder insertion hole 44 which is opened on at least one surface 411. A holder 30 has a bottom outer surface 32 inserted in the holder insertion hole 44.