专业词入口Topic Entry

铜电镀,先把种子层、图形窗口、厚度证据和后段接口拆开。For copper electroplating, separate seed, pattern window, thickness evidence and downstream interfaces first.

铜电镀 / 电镀增厚常用于 RDL、铜柱、微结构、电极、TSV 或电铸路线。它不是“给出厚度即可报价”的单步工艺:基底与种子层连续性、光刻胶模具、开口尺寸与密度、目标厚度、均匀性、应力和后段去胶/刻蚀/键合都需要同时核对。Copper electroplating is commonly considered for RDL, copper pillars, microstructures, electrodes, TSVs and electroforming. It is not a one-line thickness quote: substrate and seed continuity, resist mold, opening geometry and density, target thickness, uniformity, stress and downstream stripping, etch or bonding must be reviewed together.

01

适合什么需求Good For

需要在已有种子层上形成铜互连、加厚电极、铜柱或微结构的项目;也适用于 RDL、TSV 金属化之后的后续填充/增厚路线讨论,以及电铸件的早期工艺资料准备。Projects forming copper interconnects, thickened electrodes, pillars or microstructures on a prepared seed; also route definition after RDL or TSV metallization, and early electroforming briefs.

02

需要准备什么Prepare First

基底材料、尺寸与允许夹持区;截面和版图、开口 CD/pitch/密度;阻挡层与种子层材料、厚度和电连续性;光刻胶/模具厚度;目标镀层厚度、均匀性与表面要求;是否涉及孔、沟槽、盲孔或高深宽比结构;后续去胶、种子层刻蚀、回流、键合或电测,以及样品数量和验收方法。Provide substrate, size and allowed clamping area; cross-section and layout, opening CD/pitch/density; barrier and seed materials, thickness and continuity; resist/mold thickness; target deposit thickness, uniformity and surface requirements; any vias, trenches or high-aspect-ratio features; downstream stripping, seed etch, reflow, bonding or electrical test; sample count and acceptance method.

03

常见风险Common Risks

种子层断裂、边缘接触不良或开口密度差异会造成不上镀、局部过镀或厚度不均;厚胶模具、窄间距和深孔会改变填充与空洞风险;应力、表面粗糙度、污染和后段种子层刻蚀也会影响互连可靠性。具体药水体系、设备窗口、量产能力和可靠性要求必须由接收工艺平台书面确认。Broken seed, poor edge contact or pattern-density variation can cause no-deposit, overplating or nonuniform thickness. Thick molds, tight pitch and deep features change filling and void risks. Stress, roughness, contamination and downstream seed etch affect interconnect reliability. Chemistry, equipment windows, scale and qualification must be confirmed in writing by the receiving platform.

推荐下一步Next Step

用一张“基底—种子层—图形—镀层—后段”表,把电镀需求交接清楚。Use one substrate–seed–pattern–deposit–downstream sheet to hand off an electroplating request.

请同时提供截面示意与版图版本、基底和现有膜层、关键开口和 pitch、目标铜厚/均匀性、允许的边缘排除、量测位置、后续工艺与数量。素微可协助整理为资源方可核对的需求清单,不替代配方开发、工艺签核、可靠性认证或供应方能力承诺。Send the cross-section and layout revision, substrate and existing films, critical openings and pitch, target copper thickness/uniformity, edge exclusion, metrology sites, downstream flow and quantity together. 素微 can organize a reviewable request, not replace recipe development, sign-off, qualification or supplier commitments.

提交铜电镀需求Submit electroplating request
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RDL 再布线层RDL

涉及 I/O 重排或扇出互连时,先把介质、线宽线距、焊盘接口与电镀层的交接点拆开。For I/O redistribution or fan-out, separate dielectrics, CDs, pad interfaces and plating handoffs.

查看 RDL 再布线层准备Open RDL guide
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TSV 与深结构TSV

孔径、深度、绝缘/阻挡层和种子层连续性,会直接改变后续金属化路线。Via geometry, insulation/barrier and seed continuity directly affect metallization routing.

查看 TSV 工艺需求Open TSV guide
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SU-8 厚胶模具SU-8 Mold

厚胶高度、侧壁、开口和去胶方式应与目标镀层厚度一起准备。Mold height, sidewall, openings and stripping should be prepared with the target deposit thickness.

查看 SU-8 厚胶光刻Open SU-8 guide