Jongseop Hwang Email & Phone Number

Cedar Park, Tx, Us

대한민국 경기도 이천

Dry Etch Process Engineer (Dry Etch tool: TETRA at Applied materials)1. Optimizing Etch recipe A. Customer Qualification mask etch recipe set-up i. Customer: SAMSUNG, Global foundries, WXHHG, ST ii. Etch recipe set-up for CD matching with customer requirement B. Production throughput improvement by Etch parameter change2. Equipment stabilization related in particle and CD A. Yield improvement by chamber particle reduction using the special coating on chamber B. CD monitoring by CD change by dry etch equipment (ex. Uniformity ,linearity, etc)3. Dry Etch equipment parameter check A. Checked daily etch parameter (ex. DC bias, pressure, power, etc) B. Checked Etch rate by EPD monitoring C. Test plate for etch rate, selectivity check4. Resolve the issue A. DC bias hunting  Cathode assembly replacement B. Binary mask product FPZD yield drop  Gas line modify and Gas injector replacement C. CD uniformity issue  Etch recipe change1. Etch recipe 최적화 A. 고객사 Qualification mask etch recipe set-up i. Customer: SAMSUNG, Global foundries, WXHHG, ST ii. Etch recipe set-up for CD matching with customer requirement B. Etch parameter 변경을 통한 생산성 개선2. 장비 안정화 (Particle/ CD) A. 특수 코팅 parts 사용으로 particle 안정화  Yield 향상 B. CD 확인을 통한 dry etch에 의한 CD 변동 확인 (ex. Uniformity ,linearity, etc)3. 장비 parameter 확인 A. Daily etch parameter 확인 (ex. DC bias, pressure, power, etc) B. EPD monitoring을 통한 ETCH rate 변화 확인 C. Test plate를 통한 etch rate, selectivity 확인4. Issue 대응 A. DC bias hunting  Cathode assembly교체를 통한 해결 B. Binary mask product FPZD yield 하락  Gas line modify 및 Gas injector 교체를 통한 해결 C. CD uniformity issue  Etch recipe 변경을 통한 해결

대한민국 경기도 안성

Dry Etch Parts Recycle Process Engineer1. Dry Etch equipment parts cleaning process recipe set-upA. Customer: SAMSUNG, SK Hynix, Magna chip, ON semiconductor, TSMC, SEMES, LAM research etcB. Parts cleaning recipe set-up for eliminating a particle and process contamination 2. Customer issue reportingA. Customer: SAMSUNG, SK Hynix, Magna chip, ON semiconductor, TSMC, SEMES, LAM research etcB. Issue: CD issue after PM, Seasoning issue, Particle issue, etc1. 고객사 parts에 따른 세정 recipe set-upA. Customer: SAMSUNG, SK Hynix, Magna chip, ON semiconductor, TSMC, SEMES, LAM research etcB. 공정 오염물 및 particle 제거를 위한 세정 recipe set-up2. 고객사 issue 대응A. Customer: SAMSUNG, SK Hynix, Magna chip, ON semiconductor, TSMC, SEMES, LAM research etcB. Issue: PM 후 CD issue, Seasoning issue, Particle issue, etc

학사, 화공신소재, 3.25

Sangmyung University, Seoul, Korea (Mar. 2011 ~ Feb. 2017) - Graduated as a Bachelor in Chemical Engineering and New materials.

Intensive English Language Institute

Compelete IELI (Intensive English Language Institute)