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ADTJ PIE RDAチームの最大のミッションは、欠陥改善を通じて早期に歩留まり向上を実現することです。単に欠陥を低減させるのではなく、欠陥データを論理的に分析し、歩留まりに大きな影響を与える工程や欠陥を特定し、関係部門と連携して改善策を立案・推進していきます。RDAグループにとどまらず、F15全体の欠陥改善と歩留まり向上を管理する重要な役割を担っています。

The primary mission of the ADTJ PIE RDA team is to achieve early yield improvement through defect reduction. Rather than simply lowering defect levels, the team logically analyzes defect data to identify processes and defect types that significantly impact yield. Based on these insights, the team collaborates with relevant departments to develop and drive improvement initiatives. This role is not limited to the RDA group—it plays a critical part in managing defect reduction and yield enhancement across the entire F15 organization.

職務内容

役割を遂行するために、まずはベースラインの確認と理解を行い、適切なモニタリング指標と手法を確立します。欠陥BINの目標を設定し、それを達成するためのIDL(Inline Defect Loss)目標を明確にし、IDLタスクチームに参加してメンバーと協働します。欠陥トレンドを予測しながら更新し、分析から新たな改善機会を見出し、欠陥の根本原因を明確にします。パーティション分析を通じて寄与要因を特定し、評価を支援します。また、スピードを常に意識し、タイムリーな情報更新を行うことが求められます。他FabやTD(開発チーム)と継続的に情報を共有し、最新の検査技術に関する知識を保持することも重要です。これらの活動を通じて、歩留まり目標の達成に向けて、欠陥低減に集中した取り組みを推進していきます。

EBI Engineerは、EBI(電子線検査)技術を用いて、半導体製造工程における微細欠陥の検出・解析を行い、歩留まり改善と品質向上に貢献するポジションです。特に、光学検査では検出困難な電気的欠陥(ショート・オープンなど)を高精度で検出し、工程改善のためのデータ提供を行います。

• EBI検査装置を用いた検査・レビュー業務
• 欠陥マップの取得と解析、工程へのフィードバック
• SWR(Split Wafer Run)の設計・実施・解析
• Global Conversion Process(GCP)やFast Follower(FF)による改善活動の推進
• Probe/Backendとの連携による不良対応
• Sister Fabとの改善事例共有
• サプライヤーとの協業による検出精度向上

To fulfill this mission, the team begins by reviewing and understanding the baseline, establishing appropriate monitoring indicators and methods. It sets defect BIN targets and defines corresponding IDL (Inline Defect Loss) goals, actively participating in IDL task teams to work closely with other members. The team continuously updates defect trends with predictive insights, identifies new improvement opportunities through analysis, and clarifies root causes of defects. Partition analysis is used to pinpoint contributing factors, and evaluations are supported accordingly. Speed is always a priority, and timely updates are essential. The team maintains ongoing communication with other fabs and the TD (Technology Development) group, ensuring up-to-date knowledge of the latest inspection technologies. Through these efforts, the team drives defect-focused initiatives to help achieve Yield targets.

This position involves utilizing Electron Beam Inspection (EBI) technology to detect and analyze microscopic defects in semiconductor manufacturing processes. The engineer will contribute to yield improvement and quality enhancement by identifying electrical defects such as shorts and opens that are difficult to detect with optical inspection tools.

• Operate EBI tools for inspection and defect review
• Acquire and analyze defect maps to provide feedback to process teams
• Design, execute, and analyze Split Wafer Runs (SWR)
• Drive improvement activities through Global Conversion Process (GCP) and Fast Follower (FF) initiatives
• Collaborate with Probe and Backend teams for defect containment
• Share improvement cases with sister fabs
• Work with suppliers to enhance detection accuracy

英語によるコミュニケーションは日常的に発生しますが、現時点で高い英語力は必須ではありません。入社後に必要な場面で対応できるよう、前向きに学ぶ姿勢を重視しています。業務上では、日本語のみを話すメンバーに対して指示を行う場面も多く、英語と日本語の両方を使い分けながら業務を進める柔軟性が求められます。

While English is commonly used for daily communication, team members are expected to interact with colleagues who speak only Japanese. Therefore, basic Japanese proficiency—or a willingness to learn—is important for effective collaboration. Fluency is not required at the time of joining, but candidates should be prepared to engage in Japanese-language interactions as part of their role.

About Micron Technology, Inc.
We are an industry leader in innovative memory and storage solutions transforming how the world uses information to enrich life
for all
. With a relentless focus on our customers, technology leadership, and manufacturing and operational excellence, Micron delivers a rich portfolio of high-performance DRAM, NAND, and NOR memory and storage products through our Micron and Crucial brands. Every day, the innovations that our people create fuel the data economy, enabling advances in artificial intelligence and 5G applications that unleash opportunities — from the data center to the intelligent edge and across the client and mobile user experience.

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