Ceramic Heater Coupon Connector Layout for Durable PCB Joining
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Solution Overview
Problem
Conventional ceramic heater coupons face issues with fragile surface-mounted electrical connections that are prone to damage, especially when used in handheld appliances where they protrude and can disrupt fluid flow.
Innovation Solution
A ceramic heater coupon design featuring connectors with connecting arms that span the thickness of the ceramic block, providing a robust and stable electrical connection, with recesses for mechanical and electrical attachment, and optional strain relief to manage thermal mismatch.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If surface-mounted electrical connections are used on the ceramic heater coupon, then the electrical connection is accessible and easy to connect, but the connection is fragile and prone to damage because it mounts proud of the surface
Solution Approach 1:
The electrical connection is moved from a surface-mounted configuration (2D plane) to a through-thickness configuration (3D space), where connecting arms extend from both the first and second surfaces of the ceramic heater coupon to meet at the heater trace location, creating a robust three-dimensional connection structure that eliminates fragility while maintaining accessibility
2Ease of operation
If surface-mounted electrical connections are used on the ceramic heater coupon, then the connection is easy to access, but the connector disrupts fluid flow when used in handheld appliances
Solution Approach 1:
The connector configuration transitions from a protruding surface-mounted structure to a planar integration where connecting arms lie substantially within the plane of the ceramic heater coupon surfaces, reducing protrusion into the fluid flow path and minimizing disruption to fluid dynamics in handheld applications
3Reliability
If a connector spans the thickness of the ceramic block with connecting arms from both surfaces, then the electrical connection is stable and robust, but the manufacturing complexity increases
Solution Approach 1:
The connector is divided into two separate connecting arms (first connecting arm from the first surface, second connecting arm from the second surface) that independently extend to the heater trace location, allowing each arm to be manufactured and positioned separately before assembly, thereby simplifying the overall manufacturing process while maintaining structural robustness
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 solution offers a durable and minimally disruptive electrical connection that maintains performance even in fluid flow applications, reducing the risk of connector damage and ensuring accurate temperature sensing.
Implementation Method 1
a heater having a ceramic heater coupon... at least one heater trace formed within the ceramic block
Data Source
AI summary
A heater coupon is disclosed having a ceramic block with a first surface and a second surface, at least one heater trace formed within the ceramic block and a connector for electrically connecting the at least one heater trace to a PCB (printed circuit board). The connector may connect at one end to the heater coupon and at the other end to the PCB. The connector may provide a direct connection between the heater coupon and the PCB. The connector may include a first connecting arm for connecting with respect to the first surface of the ceramic block and a second connecting arm for connecting with respect to the second surface of the ceramic block.