Adhesive Layer Profile Layout for Precise Electronic Assembly
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Solution Overview
Problem
Existing electronic devices face challenges in distinguishing front and back sides during assembly, leading to errors and reduced precision in the assembly process.
Innovation Solution
The electronic device incorporates a first and second adhesive layer with distinct outer profiles that correspond to the same side of the device, ensuring non-overlapping portions to facilitate easy identification and correct orientation during assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If adhesive layers have identical outer profiles, then manufacturing is simpler, but assembly precision deteriorates due to inability to distinguish front and back sides
Solution Approach 1:
The patent applies asymmetry by designing the first adhesive layer with a first outer profile and the second adhesive layer with a second outer profile, where at least a portion of these profiles are non-overlapped. This asymmetric design creates distinguishable features on the same side of the electronic device, enabling operators to identify front and back sides during assembly, thereby improving assembly precision without significantly complicating the manufacturing process.
2Reliability
If adhesive layers are made identical, then device complexity is reduced, but assembly errors increase due to lack of orientation indicators
Solution Approach 1:
The patent uses asymmetric outer profiles of the adhesive layers as orientation indicators. The first adhesive layer's outer profile and the second adhesive layer's outer profile are designed to be non-overlapped in at least partially, creating visible differences that guide correct assembly orientation. This improves reliability by preventing assembly errors while adding minimal complexity to the adhesive layer configuration.
Data Source
AI summary
An electronic device is disclosed. The electronic device includes a first substrate, a circuit assembly, a second substrate, a first adhesive layer, and a second adhesive layer. The circuit assembly is disposed on the first substrate. The second substrate is disposed on the circuit assembly. The first adhesive layer is disposed between the circuit assembly and the first substrate. The first adhesive layer has a first outer profile. The second adhesive layer is disposed between the circuit assembly and the second substrate. The second adhesive layer has a second outer profile. The first outer profile and the second outer profile correspond to a same side of the electronic device. At least a portion of the first outer profile and at least a portion of the second outer profile are non-overlapped.