LITHOGRAPHY / EBR

光刻胶边缘去胶 EBRPhotoresist edge bead removal (EBR)

先画清去胶边界,再确认夹持与图形要求。Define the removal boundary, then review clamp and pattern requirements.

为什么评估边缘去胶Why review edge bead removal

EBR 处理样品边缘增厚的光刻胶。UCSB Nanofab 指出,它可改善接触曝光时掩膜与样品的贴近程度,并减少胶膜粘住某些顶面夹持器的风险。[1]EBR removes thickened resist at sample edges. UCSB Nanofab notes improved mask proximity in contact exposure and reduced resist sticking to certain top-side clamps. [1]

适合什么需求Suitable projects

微纳Hub建议对接触光刻边缘图形异常、厚胶边缘堆积或后续夹持区域有清洁要求的项目,先评估是否需要 EBR。碎片、异形片与整片晶圆应分别确认装夹方式,不能默认共享同一程序。MN Fab Hub suggests reviewing EBR for contact-lithography edge defects, thick-resist edge buildup or a downstream clean-clamp requirement. Confirm mounting separately for chips, irregular pieces and full wafers.

询价与送样资料Inputs for quotation and sample handoff

请提供基底与表面膜层、样品形状尺寸及厚度、数量、胶种、胶厚、已完成的烘烤或交联步骤。附上版图到样品边缘的距离、目标去胶宽度及容差、背面状态、后续曝光和夹持要求。无法确定的字段标注待平台确认。Provide substrate and exposed films, shape, dimensions, thickness, quantity, resist, film thickness and completed bake or crosslink steps. Include layout distance from the edge, target removal width and tolerance, backside condition and downstream exposure and clamp requirements. Mark unknowns for facility review.

方法与设备兼容性Method and tool compatibility

Cornell CNF 的专用 EBR 系统采用溶剂处理,并列出独立的材料、溶剂与样品尺寸限制。[2] 这些是该设备的边界。微纳Hub建议由接收平台依据胶种与材料栈选择处理方法,报价时写清涂胶、去胶、检查是否分别计费。Cornell CNF describes a solvent-based EBR system with tool-specific material, solvent and substrate-size restrictions. [2] Ask the receiving facility to select a method for the resist and stack, and itemize coating, edge removal and inspection in the quote.

常见风险与工艺边界Risks and process boundaries

微纳Hub建议将目标去胶区与有效器件区画在同一示意图中,提前核对是否侵入图形、是否影响暴露膜层以及边缘残胶如何判定。已固化胶、多层胶和脆性碎片先试片;不能用通用去胶宽度替代设备夹持与版图边界核对。MN Fab Hub suggests showing the removal zone and active device area in one diagram, checking pattern encroachment, exposed-film compatibility and the definition of residual resist. Pilot cured resists, multilayers and fragile chips first. Verify the actual clamp and layout boundaries.

验收与下一步Acceptance and next step

建议约定边缘抽检位置、去胶宽度与容差、缺口附近检查方法及有效区图形保持要求。交付记录包含处理前后边缘照片、方法标识与异常位置。将上述资料提交微纳Hub,先确认平台适配与试片方案,再确认价格和周期。Agree sampling positions, removal width and tolerance, notch inspection and active-area pattern retention. Request before/after edge images, a process identifier and defect locations. Send this package to MN Fab Hub for facility and pilot review before price and schedule confirmation.

官方资料Official references

核查日期:2026-09-13。平台资料用于说明用途与参数类别;本文项目清单为微纳Hub建议,具体能力由接收平台确认。Checked September 13, 2026. Facility references explain applications and parameter categories. Project checklists are MN Fab Hub suggestions; the receiving facility confirms capabilities.