Semiconductor Antenna Evaluation Slit Design

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Solution Overview

Problem

The presence of an evaluation region in semiconductor apparatuses affects the antenna module's characteristics, making it impossible to perform accurate characteristics evaluation before the evaluation region is removed, as the physical properties of the evaluation region impact the antenna module region.

Innovation Solution

Incorporating a slit in the evaluation region that extends to the boundary line separating it from the antenna module region, reducing the influence of the evaluation region's physical properties on the antenna module by creating an air gap with lower dielectric constant and loss tangent values, allowing for accurate evaluation of the antenna module's matching characteristics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If an evaluation region is provided in addition to an antenna module region, then characteristics evaluation can be performed, but the physical property values of the evaluation region affect the antenna module region making evaluation inaccurate

Engineering Contradiction:

Improvecharacteristics evaluation accuracyVSAvoidinfluence of evaluation region physical properties

Core Design Contradiction:

Measurement precisionVSObject-affected harmful factors

Solution Approach 1:

The interconnect substrate is divided into distinct regions: an antenna module region and an evaluation region, separated by a boundary line. This segmentation allows independent evaluation of antenna characteristics while minimizing mutual interference through proper spatial separation and the introduction of slits.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

A slit is introduced as an intermediary structure between the antenna module region and the evaluation region. The slit acts as a buffer that reduces the influence of the evaluation region's physical property values on the antenna module region, enabling accurate characteristics evaluation without the harmful effects of direct adjacency.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Measurement precision

If an evaluation region is removed after evaluation, then accurate antenna characteristics can be obtained, but additional processing steps and time are required

Engineering Contradiction:

Improveantenna characteristics accuracyVSAvoidevaluation and removal processing time

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The evaluation region is designed to be removable after characteristics evaluation is completed. This preliminary planning allows the evaluation region to serve its purpose during testing while being configured for easy removal afterward, avoiding the need for complex permanent integration and reducing overall processing time.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The evaluation region is temporarily retained during the evaluation phase and then removed after serving its purpose. This approach allows accurate antenna characteristics to be obtained during evaluation while eliminating the evaluation region afterward, preventing it from affecting the final product performance.

Inventive Principle:

Principle #34Discarding and recovering

3Device complexity

If the evaluation region is kept adjacent to the antenna module region, then device structure is simplified, but characteristics evaluation becomes inaccurate due to physical property influence

Engineering Contradiction:

Improvesubstrate structure complexityVSAvoidantenna characteristics evaluation accuracy

Core Design Contradiction:

Device complexityVSMeasurement precision

Solution Approach 1:

The substrate is segmented into functionally distinct regions with a clear boundary line separating the antenna module region from the evaluation region. This segmentation maintains relative structural simplicity while enabling accurate evaluation by preventing the physical property values of the evaluation region from adversely affecting the antenna module region.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

A slit is introduced as an intermediary element between the antenna module region and the evaluation region. This slit reduces the influence of the evaluation region's physical properties on the antenna module region, allowing adjacent placement of regions (maintaining structural simplicity) while ensuring accurate characteristics evaluation.

Inventive Principle:

Principle #24Intermediary (Mediator)

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

This solution enables proper evaluation of the antenna module's characteristics before the evaluation region is removed, ensuring that the characteristics before and after removal are in agreement, thus facilitating accurate assessment and production of the finished product.

Implementation Method 1

the physical property values (dielectric constant, dielectric loss tangent, and the like) of the evaluation region to affect the antenna module region

Methodology Applied

Scientific EffectDielectric: Dielectric

Data Source

PatentUS11502048B2Semiconductor apparatus

Publication Date: 2022.11.15 SHINKO ELECTRIC IND CO LTD

AI summary

A semiconductor apparatus includes an interconnect substrate which includes an antenna module region in which an antenna and a semiconductor integrated circuit electrically connected to the antenna are disposed, and at least one evaluation region situated next to the antenna module region and used to evaluate characteristics of the antenna, wherein the at least one evaluation region has at least one slit formed therein such that the slit includes at least a portion, situated opposite the antenna, of a boundary line that separates the antenna module region and the evaluation region from each other.