改良後檢測成果

Improved test results

改良後檢測結果

檢測成果圖展示

Performance:Aixtron 2800 G4 IC2: 4” x12pcs

週期初:3rd run

週期中:10th run

週期中末:23th run

碩豐設計:量產均勻性提升(母盤及子盤設計)

Performance:Aixtron 2800 G4 IC2: 4” x15pcs - 變更設計:satellite disk for LED production

‧改善後結果:產品chip 亮度良率提升

原廠設計:牛頓環(厚度均勻性差)

Design #1

Design #2

‧AlAs/AlGaAs DBR: SBC 均勻性由0.77%(原廠子盤) 優化到 0.295% (碩豐子盤)
‧Stop band center λ=4nd→厚度均勻性改善

碩豐子盤:Φ220mm, 350um

碩豐子盤:Φ220mm, 450um

碩豐子盤:Φ221mm, 350um

原廠子盤:Φ220mm, 620um

‧InGaAs /AlGaAs MQW: PL均勻性由0.23%(原廠子盤) 優化到 0.176% (碩豐子盤)

碩豐子盤:Φ220mm, 350um

碩豐子盤:Φ220mm, 450um

碩豐子盤:Φ221mm, 350um

原廠子盤:Φ220mm, 620um

Performance:Aixtron 2600 G3: 4” x12pcs

變更設計:susceptor, collector ring, satellite disk - LED production

變更設計:susceptor, collector ring, satellite disk - VCSEL production

‧原廠設計

‧優化設計