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公开(公告)号：EP4211295A1
公开(公告)日：2023-07-19
申请号：EP20806968.2
申请日：2020-11-11
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公开(公告)号：EP4354358A2
公开(公告)日：2024-04-17
申请号：EP24160621.9
申请日：2020-12-04
发明人： GARDNER, Geoffrey Charles , DRACHMANN, Asbjørn Cennet Cliff , MARCUS, Charles Masamed , MANFRA, Michael James
IPC分类号： G06N10/40
CPC分类号： H10N60/10 , H10N60/128 , H10N60/01 , G06N10/40
摘要： A method of etching a workpiece comprising a lead component (24) is provided. The method comprises forming (301) a mask on the lead component (24), the mask defining exposed regions of the lead component (24); and contacting (302) the exposed regions with an etchant composition. The etchant composition comprises acetic acid and propan-2-ol.
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公开(公告)号：EP4430654A1
公开(公告)日：2024-09-18
申请号：EP21830825.2
申请日：2021-11-11
IPC分类号： H01L21/311 , H01L21/3213 , H10N60/10
CPC分类号： H01L21/31111 , H01L21/32134 , H10N60/128
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公开(公告)号：EP4354358A3
公开(公告)日：2024-07-24
申请号：EP24160621.9
申请日：2020-12-04
发明人： GARDNER, Geoffrey Charles , DRACHMANN, Asbjørn Cennet Cliff , MARCUS, Charles Masamed , MANFRA, Michael James
CPC分类号： H10N60/10 , H10N60/128 , H10N60/01 , G06N10/40
摘要： A method of etching a workpiece comprising a lead component (24) is provided. The method comprises forming (301) a mask on the lead component (24), the mask defining exposed regions of the lead component (24); and contacting (302) the exposed regions with an etchant composition. The etchant composition comprises acetic acid and propan-2-ol.
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公开(公告)号：EP4430934A1
公开(公告)日：2024-09-18
申请号：EP21819671.5
申请日：2021-11-10
CPC分类号： H01L21/02178 , H01L21/02244 , H01L21/02636 , H10N60/01
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公开(公告)号：EP4070391A1
公开(公告)日：2022-10-12
申请号：EP20830437.8
申请日：2020-12-04
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