H05K 2203/0554

Metal used as mask for etching vias

Official title: Metal used as mask for etching vias, e.g. by laser ablation

H05K2203/0554 (Metal used as mask for etching vias) appears on 308 US grants and 220 published applications in this corpus.

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Granted patents
308
Published applications
220
Assignees
141
Inventors
573
Latest grant
23 Dec 2025

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H05K 2203/0554: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197810
197910
198000
198110
198210
198320
198410
198530
198600
198750
198840
198950
199050
199150
199230
199350
199490
199590
199620
1997110
1998160
199980
2000100
2001176
20021226
20031720
20042321
20051310
20061111
2007417
20081116
200979
20101416
2011109
2012109
2013115
2014610
201543
201672
201732
201822
201943
202023
202111
202215
202344
202422
202533
202605

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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