Recording Head Substrate Organic Beam Rigidity
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Solution Overview
Problem
Recording heads with substrates are prone to deformation due to environmental changes and sealing material contraction, leading to reduced recording accuracy, and existing solutions either increase substrate size and cost or complicate manufacturing processes.
Innovation Solution
Incorporating a member formed of an organic material within the supply port of the substrate to act as a beam structure, connecting opposing surfaces and alleviating stress through material matching with the adhesive and sealing agents, thereby enhancing rigidity without increasing substrate size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the size of the substrate is increased to improve rigidity, then the rigidity of the substrate is improved, but the cost is increased correspondingly
Solution Approach 1:
The substrate is divided into a rigid portion and a flexible portion, allowing the rigid portion to provide necessary structural support while keeping the overall substrate size small, thus avoiding increased manufacturing costs
Solution Approach 2:
Different portions of the substrate are given different properties: the rigid portion provides structural support while the flexible portion accommodates sealing material contraction, achieving both rigidity and cost-effectiveness without increasing overall substrate size
2Strength
If a beam structure formed of silicon is formed in the interior of the supply port to improve rigidity, then the rigidity is improved without changing the size of the substrate, but the manufacturing process becomes complicated
Solution Approach 1:
The substrate is segmented into rigid and flexible portions that can be formed using standard manufacturing processes, avoiding the need for complex beam structures while still achieving the desired rigidity
Solution Approach 2:
The local thickness of the substrate is changed to create rigid and flexible portions, achieving rigidity enhancement through parameter modification rather than adding complex beam structures
Data Source
AI summary
A recording head having a substrate and a channel forming member configured to form a flow channel, a supply port formed at the substrate so as to penetrate through the substrate, the flow channel communicates with the supply port, and a member formed of an organic material and configured to connect two surfaces forming the supply port and opposing each other with the supply port interposed therebetween.