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1、半导体量测设备及应用介绍半导体量测设备及应用介绍陈贵荣陈贵荣2013/09/11 E_mail : 2021/7/231芯片凸块制程检验芯片凸块制程检验雷雷射扫瞄仍是目前凸块检测最广为使用的射扫瞄仍是目前凸块检测最广为使用的三维量测技术三维量测技术2021/7/232Failure Analysis_1Failure Analysis_12021/7/233Failure Analysis_2Failure Analysis_22021/7/234Examples of solder bump defectExamples of solder bump defectExplainExplain
2、2021/7/235高阶封装技术300mm晶圆2021/7/236高阶封装技术Wafer Bump2021/7/2373D Bump Inspection using Laser Triangulation3D and 2D bump inspection is a critical component in manufacturing of bumped wafers. Continuous miniaturization and use of through silicon via (TSV) in 3D packages are pushing bump sizes smaller an
3、d smaller. The small bump size, small pitch and high number of bumps are challenging inspection technologies, requiring high accuracies and high throughput.Laser triangulationLaser triangulationis the dominant technology for 3D characterization of solder and pillar bumps used in conventional packagi
4、ng techniques.The The technology is a line scan laser with the ability to collect hundreds of 3D data technology is a line scan laser with the ability to collect hundreds of 3D data points along one scan line in a fraction of a second.points along one scan line in a fraction of a second.These data p
5、oints can then be used to build a 3D model of the top of the bump and surface of the wafer for local height inspection. As bump size and pitch continue to decrease and bump numbers head towards tens of millions per wafer, the speed and accuracy of laser triangulation technology gives 3DIC manufactur
6、ers the ability to tightly control bump processes and detect bump defects.2021/7/238Basic Geometry of Laser Triangulation2021/7/239雷射三角几何示意图雷射三角几何示意图此雷射三维系统之量测精度，主要受限于此雷射三维系统之量测精度，主要受限于传感器之分辨传感器之分辨率率及及投射之雷射光线宽投射之雷射光线宽，越细的雷射线宽及高分辨率传，越细的雷射线宽及高分辨率传感器，可获得较高之量测精度。感器，可获得较高之量测精度。2021/7/2310雷射三角雷射三角法系统架构图法系
7、统架构图利用程控，可以调整雷射光之线宽及扫瞄速度。利用程控，可以调整雷射光之线宽及扫瞄速度。此系统之组成简单稳健，适合工业环境之实际应用。此系统之组成简单稳健，适合工业环境之实际应用。2021/7/2311Slit ScannerSlit scanners are a direction extension of the basic triangulation principle2021/7/2312非接触三角法探头原理2021/7/2313Wafer ScannerFor both standard and flip chip wafers, the Wafer Scanner Inspec
8、tion Series provides superior yield management for 3D/2D bump and RDL metrology, bump and RDL defect and macro defect inspection throughout post-fab processes. Defects created in the post-fab area between wafer processing, bump processing and final manufacturing can negatively impact product yields
9、and time-to-market.The Wafer Scanner quickly and reliably locates bump and wafer defects, reducing process costs and improving yield.2021/7/23142021/7/2315Through-Silicon Via (TSV)A through-silicon via3D package (3D IC) contains two or more chips stacked vertically, with vias through the silicon sub
10、strates replacing edge wiring to create an electrical connection between the circuit elements on each chip.TSV technology provides a dramatic increase in the functionality of the device in a very small footprint. Multiple technologies are being explored to form vias during the wafer fabrication proc
11、ess (front-end) and the IC packaging and assembly stage (back-end). Metrology and inspection of the TSVs are critical for ensuring the performance of the 3D ICs and the profitability of the overall manufacturing process.2021/7/2316Bump Inspection SystemBump Inspection SystemSP-500BSP-500BThe SP-500B
12、 The SP-500B automatically automatically measures the measures the heights, heights, coplanarity, coplanarity, shapes and shapes and positions of positions of the bumps on the bumps on wafers or IC wafers or IC chips.chips.Torays Automatic Bump Inspection System SeriesThe 3D profiling technique is b
13、ased on a newly developed optical interferometry, which has the world fastest measurement speed with sub-micron accuracy of height measurement.2021/7/2317SpecificationsSpecifications2021/7/2318Test ResultsTest Results2021/7/23192021/7/23202021/7/23212021/7/2322August TechnologyDesigned for high-spee
14、d bump and wafer inspection, the system incorporates the Companys patent-pending three-dimensional (3D) Rapid Confocal Sensor, with proprietary two-dimensional (2D) bump and active die inspection technologies to provide bump manufacturers with high-speed and high accuracy combined in a single bump i
15、nspection solution.2021/7/2323812 Wafer高阶Solder Bump检查机高Repepeatability(3) : 1 um以下业界的最快检查能力对应812 Wafer FOUP自动机器提供多种多样化的讯息报告WVI-60002021/7/2324Falcon 800Camtek开发的Falcon 800系列先进的测量系统用于凸起封装晶圆，并保证凸点达到他们严格的公差。CTS，Camtek三角测量系统（专利申请中）应用了比已知的三角测量原理更新的方式，提高了一系列凸起技术的精度与可重复性。更宽的角度范围创造了更多种类凸起形状与材料更强和更稳定的反射，支持凸
16、起的真3D几何重建。Falcon 800更是特别设计用于最精细的金板的测量。2021/7/2325ASE2021/7/23262021/7/2327IS-100 is high-speed inspection developed for area array bump inspection Measuring Method: Triangulation by laser scanning.Inspection object: Solder bump on the wafer.Handling: Cassette to cassette inspection.Result output: Re
17、altime display per chip and also can be recorder on MO.FeaturesHigh speed measurement of the height for solder bumps with high accuracy (0.25m ave). Measuring range from 10 130m height.High-speed inspection by AOD (Acousto Optical Deflector), laser scanning, and triangulation.Input and processing he
18、ight and brughtness informations at 7 megapoint/sec.Realtine display for inspection results per chip.2021/7/2328Wafer Bump 3D Inspection SystemWafer Bump 3D Inspection System Vi-Z800【Wafer Auto Handler】2021/7/2329Wafer Bump 3D MeasurementWafer Bump 3D MeasurementWafer Bump 3D MeasurementWafer Bump 3
19、D Measurement2021/7/2330Wafer Gold Bump Measurement Inspection / Wafer Gold Bump Measurement Inspection / MEM-5296DMEM-5296D2021/7/23312D、3D、SD for Bumping检测设备主要用途主要用途 具有高速及高精度测试Wafer Bump的功能测试分辨力为0.1m世界领先地位的生产能力产品应用产品应用缺陷检测功能高精度Bump Height检测能力及再生产的功能产品特色产品特色1.高速的检测能力2.提供有效的Off- Line Review功能3.对客户端提
20、供简易的操作使用系统4.用独有的高精度激光变位传感器来实现高精度 的测试 采用微细激光线的排列 用PSD排列来达到高速测试 对高度和缺陷进行高精度的检测，实现了先进 的运算法则。5.先进的信号处理系统 采用高速的A/D转换机板 运用DMA技术来实现先进的高速信号处理 测试画面清晰2021/7/2332Buffalo 2D&3DBuffalo 2D&3D量测设备量测设备机台特性: 该机以花岗石主体结构设计，其材质对温度变化的膨胀系数小，以至于提升机台精度，再加上机台X/Y轴使用线性马达及线性滑轨设计，无背隙产生，提高机台精度与稳定性。提供量测软件操作简易，易学易懂，快速上线使用。机型规格:标准机
21、型: Buffalo 4 (总行程400mmx400mm) Buffalo 6 (总行程600mmx600mm) Buffalo 8 (总行程800mmx800mm)另可依客户需求设计制作不同台面尺寸之规格 应用领域: PCB Panel Size全范围应用 BGA、CSP Unit、StripPanel size 2D3D应用 光罩尺寸与线宽线距量测 覆晶载板锡球、盲孔量测 晶圆凸块2D3D应用TFT LCD 2D3D应用2021/7/2333Classic 2D&3DClassic 2D&3D量测设备量测设备机台特性: 该机以花岗石主体结构设计，其材质对温度变化的膨胀系数小，再加上机台X/
22、Y轴使用线性马达及空气轴承设计，流畅的平台移动，更提高机台精度与稳定性。提供量测软件操作简易，易学易懂，快速上线使用。机型规格:标准机型: Classic 600 HA (总行程600mmx600mm)另可依客户需求设计制作不同台面尺寸之规格应用领域: PCB Panel Size全范围应用BGA、CSP Unit、StripPanel size 2D3D应用 光罩尺寸与线宽线距量测覆晶载板锡球、盲孔量测 晶圆锡球2D3D应用TFT LCD 2D3D应用 2021/7/2334VMMSVMMS全自动锡球检测设备全自动锡球检测设备机台特性:该机以花岗石主体结构设计，高精度与稳定性，搭配多站转盘式
23、光学检测功能，PLC可程控运作，高数量与快速进出料，高精度Multi sensor精准地快速量测，算法与软件设计完全自主，零缺点Sorting自动检料功能，已达全自动在线设备 。量测项目：锡球高度 共平面度 SMT高度Warpage of Substrate 锡球直径锡球位置度缺球 Bump Bridge 锡球体积Ball Pad高度孔深 应用领域: 覆晶载板检测(切割与未切割) 铜面盲孔与线路 穿孔量测 晶圆锡球检测 微小结构量测2021/7/2335D-Tek WBI-W300Features检测晶圆尺寸: 6” 12”.检查项目: a.短路Bridged. b.缺球Missing. c.
24、偏移pitch & position. d.多球extra. e.尺寸diameter. f.外观shape.图形化操作接口: a.简易达成量产需求. b.智能性设定及管理生产参数. SMEMA相容. 针对不良WAFER分类. Spec Ball Diameter : 0.1.0.3mmBall Pitch : 0.41.1mm Die size : 0.5 x 0.5mmDie pitch : Die size + 1.5 x Ball DiameterBall Group Types : Grid, Checker, and Random Wafer thickness:0.25 1 mm.Wafer Size:6”- 12.Voltage:1-phase ,220 volts.Frequency:60 hz.WBI-W300为全自动机械检测设备，其中包括机械手臂、晶圆定位、晶圆传送、2 个FOUPS及强大的晶圆检测系统.针对植球及回焊所产生的缺点，WBI-W300能提供最快速，正确及高重复精度检测,如 此100%检测，能改善以往人工目检的缺失，并能对整条生产线质量管理严格把关.鸿骐科技2021/7/2336个人观点供参考，欢迎讨论
