8 D Report 4020 Prepared by Sophia Hsueh

8 D Report 4020 杯緣溢膠 Prepared by: Sophia Hsueh Date: 2/8/2018 Doc: QA-2 -011 Form: QA-8 -114 Ver: 05

Basic Information 客戶基本資訊 Customer AOT Part No. 4020 C 10 RKE 1338/C 10 RKE 1339 IQC 不良品發現站點 Issuer by CAR 1801 -02 Receiving Date 2/1/2018 Sample收到日 AOT 料號 Defect found station CSR No. CSR編號 客戶 Customer Device客戶 機種 Confidential D 0 Rejected Q’ty 1% 560 strips 退回數量 2% 560 strips Defect rate/DPPM 20 strsips 缺點率/DPPM Ken Hsiao 開立者 Customer initial judgment 溢膠 客戶初判 Defect Description 不良描述 AOT 反應來料產品杯緣有溢膠現象, 幾乎都是固定位置, 且不良品該條有AOI噴墨記號, 經IQC檢查已發現有 20條不良品. Lot No: P 1 -17120067/P 1 -17120068 Defect mode: 溢膠 Doc: QA-2 -011 Form: QA-8 -114 Ver: 05

Problem Solving Team 不良解決小組 Confidential D 1 We approached as follows Members ： Team Leader Team members Name Dept Ext. RT Ho QA 130 Sophia Hsueh QA 120 Archer Huang PE 278 Andy Sun PD 190 Maggie Hsiao QA 135 Doc: QA-2 -011 Form: QA-8 -114 Ver: 05

Grasp of Defect Material and Defect Material Analysis 不良品掌控 及 不良品分析 Confidential D 2 ØMarco View in Appearance (外部巨觀解析) l 缺點: 杯緣溢膠 l 料號: M 330 CWTCA 01 -PM 75028 -5102 AOT IQC 反應不飽膜現象: 溢膠經量測為 0. 302 x 0. 202 mm =>已超過規格 0. 1 mm Doc: QA-2 -011 Form: QA-8 -114 Ver: 05

Containment Action Taken 暫時防堵措施之執行 Confidential D 3 5. 加強WIP檢查，以避免此異常再發。 Remarks: WIP狀態如下, 後續將以調整後的AOI參數執行外觀檢查。 單號碼 品種 單數量 T/M射出 待烘烤 烘烤 待D/F 電鍍 待電解 待校正 待AOI 待目檢 待OQC 待入庫 WIP加總 P 1 -18010061 4020 5, 760 461 230 0 2, 995 1, 829 0 0 0 5, 746 P 1 -18010081 4020 5, 760 0 0 5, 760 P 1 -18010017 4020 5, 760 0 0 0 1, 380 0 2, 284 230 0 360 4, 254 P 1 -18010018 4020 5, 760 0 0 459 5, 282 0 0 0 5, 741 P 1 -18010034 4020 5, 760 0 0 5, 717 P 7 -18020003 4020 1, 613 0 0 0 0 1, 613 Resp: PD-Andy Sun When: 1/31/2018 Status: On-going 6. 加嚴QC抽樣頻率自AQL 0. 065% → 0. 04%, Duration: 1 month。 Resp: QA-Maggie Hsiao In-charge Person When: 1/31/2018 Sophia Hsueh / Andy Sun / Maggie Hsiao Status: Done。 Date 1/31/2018 擔當者 Doc: QA-2 -011 Form: QA-8 -114 Ver: 05

Analysis and Identification of Root Cause 要因分析及真因驗證 Confidential D 4 Ø(D 4 -A). Fish-bone Chart (特性要因圖分析) MAN Method DEFECT: 溢膠 Mold參數異常 目檢人員的疏 忽 L/F 變形 模具受損 AOI 未檢出 MATERIALS MACHINE Doc: QA-2 -011 Form: QA-8 -114 Ver: 05

Confidential The End Doc: QA-2 -011 Form: QA-8 -114 Ver: 05