Radiological Imaging Sensor Panel Adhesion Part Vibration Tolerance

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Solution Overview

Problem

Radiological imaging apparatuses with two sensor panels are prone to positional deviation and damage due to vibrations and shocks, leading to lower reliability and image quality, as existing technologies do not adequately address these issues.

Innovation Solution

A radiological imaging apparatus with a sheet-shaped adhesion part that maintains adhesion between the sensor panels while tolerating changes in their relative positions, using a configuration with varying elastic moduli and radiation absorption rates to absorb energy and maintain alignment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If two sensor panels are disposed parallel to each other to acquire two sets of image data at one time, then productivity is improved, but reliability deteriorates due to positional deviation and damage from vibrations and shocks

Engineering Contradiction:

Improveimage acquisition speedVSAvoidpanel alignment stability

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

A sheet-shaped adhesion part is introduced as an intermediary component between the first and second sensor panels. This adhesion part absorbs vibrations and shocks, maintaining the positional relationship between panels while allowing independent movement to prevent damage. The adhesion part serves as a mediator that connects the panels while protecting them from direct mechanical stress.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The adhesion part is designed with specific material parameters including elastic modulus within 0.01 to 10 Gpa and radiation absorption rate between 10% to 90%. By optimizing these parameters, the adhesion part can effectively absorb mechanical energy from vibrations and shocks while maintaining appropriate adhesion strength and radiation transmission characteristics for dual-energy subtraction imaging.

Inventive Principle:

Principle #35Parameter changes

2Stability of the object's composition

If members are disposed between sensor panels to link them, then structural stability is improved, but harmful factors increase due to vibrations and shocks causing positional deviation and damage

Engineering Contradiction:

Improvepanel connection stabilityVSAvoidvibration and shock damage

Core Design Contradiction:

Stability of the object's compositionVSObject-affected harmful factors

Solution Approach 1:

The adhesion part is designed to convert harmful vibrations and shocks into beneficial energy absorption. By selecting materials with appropriate elastic moduli and damping characteristics, the adhesion part transforms mechanical stress that would normally cause damage into controlled deformation that protects the sensor panels from positional deviation and damage.

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The sheet-shaped adhesion part serves as a pre-installed cushioning layer between the sensor panels and the housing structure. This cushioning is positioned in advance to absorb and mitigate vibrations and shocks before they can reach the sensitive sensor panels, preventing positional deviation and damage from occurring in the first place.

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

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 improves the reliability and quality of radiological images by maintaining adhesion and alignment between sensor panels during handling and use, reducing the impact of vibrations and shocks on image data quality.

Implementation Method 1

a sheet-shaped adhesion part configured to adhere a second-panel side face of the first panel and a first-panel side face of the second panel to each other... configured to maintain adhesion of the first panel and the second panel, while tolerating change in relative positions thereof

Methodology Applied

Scientific EffectRadiation absorption: Absorption (EM radiation)

Implementation Method 2

The adhesion part is configured to maintain adhesion of the first panel and the second panel, while tolerating change in relative positions thereof in a planar direction parallel to the upper face of the first substrate

Methodology Applied

Scientific EffectElasticity: Elasticity

Data Source

PatentUS11448779B2Radiological imaging apparatus, manufacturing method of the same, and imaging system

Publication Date: 2022.09.20 CANON KK

AI summary

A radiological imaging apparatus includes a first panel where a plurality of radiation detecting elements are arrayed on a first substrate, a second panel where a plurality of radiation detecting elements are arrayed on a second substrate, and a sheet-shaped adhesion part configured to adhere a second-panel side face of the first panel and a first-panel side face of the second panel to each other, so that the first panel and the second panel are overlaid on each other in planar view as to an upper face of the first substrate. The adhesion part is configured to maintain adhesion of the first panel and the second panel, while tolerating change in relative positions thereof in a planar direction parallel to the upper face of the first substrate.