探针台 I-V 电学测试Probe-station I-V electrical testing

把“测一下 I-V”转换成器件、接触、限值、扫描和交付都可执行的测试单。Turn “measure an I-V curve” into an executable device, contact, limit, sweep and deliverable plan.

探针台 I-V 测试解决什么问题What probe-station I-V testing addresses

探针台让测试者在显微观察下接触晶圆或芯片焊盘，并配合源表、参数分析仪或其他量测设备施加和读取电压、电流。[1] 源表可在设定量程与保护限值内同时输出和测量电信号。[2] 它适合器件导通、整流、击穿前行为、开短路排查和批间对比；一条 I-V 曲线本身不能替代材料、结构或可靠性结论。A probe station contacts wafer or die pads under a microscope and pairs with a source meter, parameter analyzer or other instruments to apply and read electrical signals. [1] A source-measure unit sources and measures within defined ranges and protection limits. [2] It supports continuity, rectification, pre-breakdown behavior, open/short checks and lot comparison, but a single curve does not establish material, structural or reliability conclusions.

适合什么需求Good For

两端或多端器件的直流 I-V、二极管/电阻/晶体管初筛、薄膜或微结构的导通检查、不同工艺组对比，以及需要保留原始数据与测试截图的研发样品。Two- or multi-terminal DC I-V, initial diode/resistor/transistor checks, film or microstructure continuity, process-group comparisons and R&D samples needing raw data and records.

需要准备什么Prepare First

器件与焊盘版图、样品尺寸和正反面照片、端口定义、预期极性、拟扫电压/电流范围、合规电流、扫描步进与等待时间、环境或温度条件、已知失效风险和允许接触区域。Device and pad layout, sample dimensions and photos, terminal definition, expected polarity, sweep range, compliance, stepping and delay, environment/temperature, known risks and permitted contact areas.

常见风险Common Risks

探针压痕、焊盘氧化或污染、接触电阻、漏电路径、量程或极性设错、过大的合规值、漂移与静电损伤，都可能让曲线看似异常或直接损伤器件。Probe marks, oxidized or contaminated pads, contact resistance, leakage paths, incorrect range/polarity, excessive compliance, drift and ESD can distort a curve or damage a device.

送样、扫描与验收怎样写清楚Make handoff, sweep and acceptance explicit

请标出每个测试点的端口名称、极性、焊盘坐标或显微图；单独列出最大允许电压、电流、功耗和禁止接触区域。对每个测试组固定扫描方向、范围、步进、等待时间、合规值、环境和重复次数，并说明是要原始点位数据、曲线图、接触照片还是汇总表。验收应区分“接触成功”“曲线可重复”和“满足器件指标”；具体夹具、探针、仪器精度与安全窗口由接收平台结合样品确认。Mark terminals, polarity and pad coordinates or microscope images; list maximum permitted voltage, current, power and no-contact regions separately. Fix direction, range, steps, delay, compliance, environment and repeats for each group, and request raw points, curves, contact images or summaries explicitly. Separate contact success, curve repeatability and device-spec compliance; the receiving facility confirms probes, fixtures, accuracy and safe windows.

与已有电学测试页的边界Boundary with related electrical pages

本页覆盖在探针台上实施的通用直流 I-V 交接；薄膜方阻优先参考四探针方阻，载流子浓度和迁移率参照霍尔测试，接触电阻结构与提取方法参照TLM 接触电阻。需要低阻引线补偿时，可进一步查看开尔文四线测量。This page covers general DC I-V handoff on a probe station. Use four-point probing for sheet resistance, Hall testing for carrier properties, TLM for contact-resistance structures and Kelvin four-wire methods for low-resistance lead compensation.

官方资料Official references

核查日期：2026-10-31。以下资料用于说明探针台和源表的通用功能类别；本文测试清单为素微项目沟通建议，不构成任何平台能力、设备量程或器件安全承诺。Checked October 31, 2026. The references describe general probe-station and source-meter categories; 素微 checklists are project guidance, not claims about any facility, instrument range or device safety.