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PCB垂直电镀线均匀性测试报告

2022-05-30 来源:榕意旅游网
联 能 科 技(深圳)有 限 公 司 Unimicron Technology (Shen Zhen) Co.,Ltd. TO:周主任 APPR:CC:杨经理、刘课长From:王永锋 Date:2005-06-26Subject:垂直电镀线均匀性测试报告一、试验目的测试B线经调整后均匀性是否满足本公司品质要求二、试验参数及方法、步骤1.飞靶两端都夹边料,并靠近板边,将两端钛篮向中间8cm左右2.测量工具:铜厚测试仪CMI7003.测试板规格:620mm×400mm;板厚1.5mm4.电镀(铜球深度低于液位8-10cm)CuSO442.67g/L5.测试及计算方式:⑴挂板方式及测试点如右图⑵计算方法如下:①S=标准差②COV=分布能力③AVG=平均值 ④MIN=最小值⑤MAX=最大值⑥X=横向平均值⑦Y=竖向平均值 ⑧COV1=S/AVGH2SO4133.3ml/LCl-48ppm电镀参数16ASF×70min○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○B1B2B3B9⑨COV2={1-[(MAX-MIN)/(MAX+MIN)]}×100% ⑩X%=(X-AVG)÷AVG×100% 11 Y%=(Y-AVG)÷AVG×100%三、试验结果:B1正面ABCDEFGHIJXX%118.818.6518.2918.3218.6118.7418.4218.4218.5418.6118.54218.3419.0618.0518.0518.6518.418.1918.5718.5718.7418.46319.6118.2918.8418.8918.4518.871918.4318.4319.4118.82419.6919.291919.8719.718.8718.5818.9118.9119.2619.21519.2719.3519.0319.6920.7119.719.7820.2120.2120.8419.88619.9819.9719.2719.3319.9520.6720.0621.1621.1621.8720.34720.6519.8519.9520.420.9721.8220.9922.3422.3423.2821.26821.9820.7220.7221.3422.0223.321.9523.3323.3324.3722.31922.221.5921.8622.3523.3424.8623.2923.5724.5724.3223.21023.7922.3722.7523.7824.2324.9224.3624.1324.1324.8123.93Y20.419.919.820.220.72120.520.92121.6Y%-0.79%-3.30%-3.79%-1.90%0.34%2.04%-0.64%1.52%2.06%4.65%-9.97%-10.35%-8.60%-6.73%-3.47%-1.22%3.23%8.31%12.63%16.18% 联 能 科 技(深圳)有 限 公 司 Unimicron Technology (Shen Zhen) Co.,Ltd. B1正面 AVG=20.59 MAX=24.92B1反面ABCDEFGHIJX117.1216.5616.6416.7117.0217.2817.1816.3616.4520.3517.17216.7316.7317.0317.417.7317.8817.7416.716.5118.8117.33317.2916.617.7417.8918.1317.9717.816.8316.9719.2117.64S=2.05MIN=18.05417.7516.9818.5618.4818.6318.6818.7317.617.4118.4618.13518.5617.5719.2219.0819.5919.519.4418.217.7319.6818.86619.361820.0719.7420.2920.0220.2918.7818.5220.1119.521.21%719.2618.4820.8820.4121.2121.0721.3119.4818.9320.5520.164.53%COV1=9.93%COV2=84.01%820.6619.1221.821.2422.0721.6921.7320.1919.2220.620.83920.9219.8622.921.9122.9522.921.7920.619.5920.5921.41021.6120.4422.6722.7922.922.7422.8521.3820.0920.6821.82Y18.91819.819.620.12019.918.618.119.9Y%-1.86%-6.48%2.42%1.45%3.98%3.57%3.12%-3.49%-5.92%3.21%-10.98%-10.16%-8.51%-6.00%-2.22%X%AVG=19.28S=1.888.02%10.98%13.12%COV1=9.74%COV2=83.24%MAX=22.95B2正面ABCDEFGHIJX121.1420.2520.8521.8321.6522.1421.9522.1121.9420.1521.4221.8921.0622.6123.122.9523.5623.4823.3822.9821.122.61-1.49%MIN=16.36322.3821.822.7822.9923.7224.0523.9623.9623.421.5523.060.46%422.9822.2222.8523.1523.6123.9323.7824.0923.7521.9923.241.23%S=0.94421.1821.4922.0722.723.7723.8323.2821.6619.6519.721.93523.322.422.7322.823.523.7523.7122.8623.7422.1223.090.60%623.422.6722.6423.0223.6523.0924.1624.2623.8322.0823.281.43%723.322.6622.6223.2123.6723.9424.2424.5423.5721.8423.361.77%822.8822.3422.4423.1523.0824.1424.092423.7822.0923.2922.7322.1222.5522.8923.524.0124.0223.9523.5122.0823.141022.4122.3422.2822.8422.9524.0324.424.2423.9622.0923.150.88%Y22.62222.422.923.223.723.823.723.421.7Y%-1.36%-4.21%-2.25%-0.24%1.20%3.10%3.60%3.43%2.15%-5.42%-6.76%X%AVG=22.951.07%0.80%COV1=4.09%COV2=90.18%822.2822.0422.6823.1423.6123.8124.6422.0720.521.4222.62922.821.8522.3923.0124.2224.1823.822.1820.2421.2522.59MAX=24.54B2反面ABCDEFGHIJX120.2619.1920.4321.0522.3822.6921.920.8419.0420.0920.79221.1120.3921.3922.0623.3123.4922.9921.7819.4120.3321.63-2.18%MIN=20.15321.2920.9821.7122.3323.5423.8123.4421.7919.6420.3821.89521.4521.5122.0422.9323.824.0623.4321.7719.420.2522.06621.5121.5422.1122.9623.9223.8623.3121.8119.9321.2722.220.52%722.0921.6322.122323.924.1923.8221.820.4821.4522.451.54%1022.8621.8222.4823.4724.3125.0424.0422.4120.4222.0422.893.54%Y21.721.221.922.723.723.923.521.819.920.8Y%-1.92%-3.90%-0.75%2.52%7.10%8.09%6.14%-1.34%-10.11%-5.83%-5.79%X%AVG=22.11-0.98%-0.79%-0.19%S=1.41MIN=19.042.32%2.19%COV1=6.36%COV2=86.39%MAX=25.04

联 能 科 技(深圳)有 限 公 司 Unimicron Technology (Shen Zhen) Co.,Ltd. B3正面ABCDEFGHIJXX%122.2421.4121.6622.0422.3423.3323.8424.3322.6621.5822.541.67%221.8221.6222.0522.8223.0623.3923.8823.8222.4321.0622.61.91%321.9821.6622.1722.5622.7123.2623.7824.1222.3220.7622.531.62%422.2321.622.0322.3922.6923.3523.9423.8522.1119.8422.41.04%S=1.08MIN=19.5522.2621.5721.9222.3122.8123.3423.6923.8322.2120.322.421.14%622.6421.7121.8822.1422.1623.5424.0324.1921.5720.522.441.19%722.4921.8421.9821.7922.1423.2723.5723.6620.8720.722.230.27%821.9621.9921.9821.722.1523.1822.7922.9519.520.5221.87921.9621.2621.5720.8622.0122.3922.5122.4820.1220.1821.531021.6620.9521.5820.2221.5121.9721.9920.8220.8719.9521.15Y22.121.621.921.922.423.123.423.421.520.5Y%-0.22%-2.76%-1.22%-1.22%0.84%4.19%5.55%5.56%-3.19%-7.37%-1.35%-2.88%-4.60%COV1=4.88%COV2=88.98%AVG=22.17MAX=24.33B3反面ABCDEFGHIJXX%124.124.2626.126.7926.526.7423.821.222.0424.5924.619.23%223.4323.7725.4925.5425.9325.722.9620.5221.2323.4523.805.64%323.1523.1424.6425.1325.1624.7122.2920.1920.5121.7523.072.40%422.923.0324.3924.4324.6224.1120.7819.3519.4319.9222.30S=1.97MIN=19.01522.1522.4523.7424.1423.9723.5821.419.2119.0120.0521.97621.9422.3923.8724.2524.2323.5421.319.4319.7420.0422.07721.7422.2123.8423.8324.0423.3921.3719.7719.7321.1822.11821.5422.1123.5223.6223.5923.1521.1419.719.6721.5221.96921.321.8623.2223.4623.4722.922119.4219.4722.621.871021.5121.7322.8223.1823.0723.1320.9319.1919.1220.9421.56Y22.422.724.224.424.524.121.719.820.021.6Y%-0.58%0.75%7.41%8.30%8.74%6.97%-3.68%-12.12%-11.23%-4.13%-1.02%-2.49%-2.04%-1.86%-2.53%-2.93%-4.31%COV1=8.72%COV2=83.01%521.6821.4221.1222.0122.2922.0922.8122.3420.2319.0721.511.02%621.5721.4121.7321.2922.5721.5823.1121.7920.0718.8121.390.49%721.5520.9720.9120.8321.472223.0521.5719.7419.3521.14821.1220.3620.7820.5721.3521.5322.0721.5219.518.6820.75920.9620.0620.2420.4320.8121.3721.8720.7919.2618.5820.441020.6820.0420.3520.5721.3421.1121.3220.7618.9618.1720.33Y21.52121.321.422.122.222.721.919.918.9Y%1.11%-1.28%-0.14%0.62%3.68%4.31%6.78%2.90%-6.70%-11.27%AVG=22.53MAX=26.79B4正面ABCDEFGHIJXX%121.9721.2621.4322.2722.3522.7223.2422.5120.2318.2521.621.57%222.1121.7522.3122.6523.3723.8223.7923.220.718.9722.274.60%321.8521.292222.1522.6223.1423.1822.3420.0619.4921.812.46%421.7521.5921.7121.4422.5422.6922.8822.2419.8819.5321.631.58%S=1.28MIN=18.17-0.68%-2.54%-4.00%-4.50%COV1=6%COV2=86.54%AVG=21.29MAX=23.82

联 能 科 技(深圳)有 限 公 司 Unimicron Technology (Shen Zhen) Co.,Ltd. B4反面ABCDEFGHIJXX%121.4220.7520.6720.8620.5919.7719.0117.7617.0319.1319.7-1.05%221.1720.6220.9120.821.1121.2919.9219.1318.0819.8220.291.90%320.720.2820.6420.7620.7720.7319.821918.0220.7820.151.22%420.3619.8220.420.320.420.619.5418.9717.9920.1519.85S=1.01MIN=17.03520.6119.6420.1120.2520.2420.3519.3518.3417.5219.8619.63620.2820.0619.9720.3320.3420.0619.1418.217.3918.7719.45720.7619.7520.2520.4120.4620.2819.3818.4317.9119.0719.67821.1720.0920.1220.6920.5320.0519.5718.518.2120.0819.9921.0820.320.3620.6820.6620.3719.2518.5718.8120.3520.041020.820.3620.6720.6220.8222.4619.9718.7718.8720.5520.392.42%Y20.820.220.420.620.620.619.518.61819.9Y%4.66%1.31%2.53%3.47%3.47%3.47%-2.07%-6.73%-9.67%-0.26%-0.27%-1.41%-2.88%-1.19%-0.03%0.68%COV1=5.09%COV2=86.25%522.0222.3522.822.2822.821.7521.3821.0621.319.9821.771.01%622.2522.5822.8922.1321.8421.4121.221.0421.4320.0921.690.61%722.8422.5523.321.7622.221.1721.5820.8921.3819.8721.750.92%822.7822.9122.121.322.0320.9321.3920.5421.1819.4321.46922.2822.9122.6621.7222.0320.320.9720.1420.9318.9621.29AVG=19.91MAX=22.46B5正面ABCDEFGHIJXX%120.522.7322.1322.9822.1720.7820.6121.4320.3921.2121.49-0.29%219.7722.3422.1523.1622.5420.9420.7521.1921.0621.1421.5-0.24%321.2721.9321.5322.9723.0821.7521.1421.2921.1320.7521.680.60%421.9722.6522.2522.4923.0522.0221.7221.3421.0720.5221.911.64%S=1.02MIN=181022.1922.8822.9222.2420.9520.0520.6619.5720.561821Y21.822.622.522.322.321.121.120.82120Y%1.08%4.77%4.26%3.43%3.43%-2.13%-2.13%-3.28%-2.38%-7.24%-0.45%-1.23%-2.57%COV1=4.74%COV2=87.17%AVG=21.56MAX=23.3B5反面ABCDEFGHIJX120.3220.0719.8419.6219.8819.9919.4918.9518.9121.4419.85220.2519.8619.8219.7219.9319.919.9119.8219.5822.0820.09-2.08%320.6520.4319.9220.2719.920.5920.0520.0620.0222.8320.47-0.20%421.4920.8620.4520.8920.621.1920.4920.0120.5122.7620.932.01%S=1.35521.8221.3321.1521.3221.1521.6420.8620.8421.8822.0821.414.36%622.7421.6521.5122.1921.6922.3121.7521.5722.6222.8322.097.67%718.622.7222.1522.5522.6922.9622.3421.9118.9117.7621.263.64%819.3619.2319.5119.4519.7819.8523.3422.8619.218.0820.07919.6119.1919.0119.1919.1518.9719.5823.8619.6918.1219.641019.6719.3719.021919.219.0319.3819.5720.2218.9719.34Y20.520.520.220.420.420.620.720.920.220.7Y%-0.05%-0.05%-1.34%-0.54%-0.54%0.63%0.93%2.10%-1.75%0.93%-3.23%X%AVG=20.51-2.18%-4.27%-5.71%COV1=6.56%COV2=85.34%MAX=23.86MIN=17.76

联 能 科 技(深圳)有 限 公 司 Unimicron Technology (Shen Zhen) Co.,Ltd.

B6正面ABCDEFGHIJX122.7422.2722.4322.6222.6423.0423.9724.5922.7321.2422.83222.4722.7723.5823.1523.0423.6223.9522.9222.8920.322.87-1.46%322.6822.8223.2723.9523.823.2523.6522.0525.1418.9922.96423.2122.923.0423.8523.9923.4322.223.5725.2820.3623.18523.4523.5623.1123.9923.6822.4921.625.0225.1121.3223.33623.3622.9722.9624.124.2322.1623.2524.9924.7421.7223.451.03%723.4422.622.6523.4624.3622.0824.5725.224.3421.6223.430.96%823.3822.6622.523.2223.8722.7824.6724.7225.2321.2423.43923.1422.7522.8622.6223.6823.524.7924.6924.4420.1923.271022.1722.1622.6222.5522.7323.6424.8124.324.0524.3423.340.55%Y23.022.722.923.423.623.023.724.224.421.1Y%-0.90%-2.20%-1.34%0.82%1.68%-0.90%2.11%4.27%5.13%-9.09%-1.65%X%AVG=23.21-1.07%-0.11%0.54%S=1.17MIN=18.990.94%0.25%COV1=5.05%COV2=85.79%MAX=25.28B6反面ABCDEFGHIJXX%124.223.8724.0424.8525.725.425.9825.6924.9721.3824.610.33%225.1124.6224.4725.1825.7725.9825.9826.0325.0420.9324.911.57%324.9224.224.6225.0625.6825.9426.0725.6724.0621.8124.81.13%424.924.2224.4924.725.6826.1925.8425.6824.820.2624.680.61%S=1.5MIN=19.88525.0124.3724.3524.825.4725.9925.7325.6425.119.8824.630.44%624.8624.4524.3924.8125.425.7325.5225.3124.6220.6224.570.18%724.7424.4424.3324.8125.4825.7725.2424.7922.2520.7724.26824.4824.1124.3624.2725.3525.7825.4725.6222.0721.1724.27924.2924.524.7624.3424.7325.1925.6425.8322.120.9224.231024.3224.8225.3224.8425.0525.6225.8924.8822.2120.124.31Y24.724.424.524.825.425.825.725.523.720.8Y%0.69%-0.53%-0.12%1.10%3.69%5.02%4.93%4.02%-3.28%-15.26%-1.08%-1.06%-1.21%-0.90%COV1=6.12%COV2=86.3%AVG=24.53MAX=26.19B7正面ABCDEFGHIJXX%124.6925.5525.3223.9224.324.8825.3325.5325.8423.7524.91-2.82%226.5425.2725.5224.3524.525.2625.926.2425.6123.7225.29-1.33%326.3625.492624.9824.8725.7226.2726.3225.4523.3425.48426.425.3825.924.9525.0825.5826.0626.2925.4423.4625.45S=1.05MIN=22.25526.7625.8825.6525.3325.5126.0926.5426.2925.0423.525.66626.8525.8825.8425.6426.0826.626.8526.6225.3223.4925.921.11%726.9426.326.2426.0326.3526.726.826.324.8523.2725.981.35%827.0325.8725.8626.2126.2326.5126.6526.2624.623.0825.830.77%927.1725.9625.6426.2226.4426.4827.0726.5624.823.1225.951.22%1026.7325.6225.7926.426.6726.8127.1326.5624.6522.2525.860.89%Y26.525.725.825.425.626.126.526.325.223.3Y%3.57%0.34%0.56%-0.90%-0.12%1.68%3.23%2.59%-1.84%-9.11%-0.60%-0.70%0.10%AVG=25.63MAX=27.17COV1=4.1%COV2=90.04% 联 能 科 技(深圳)有 限 公 司 Unimicron Technology (Shen Zhen) Co.,Ltd. B7反面ABCDEFGHIJX128.2226.6426.125.2125.6725.3724.9224.6922.2524.7125.38227.3927.2526.3626.3726.6126.6426.3325.7222.9324.5826.02-0.41%326.7827.326.3326.5926.8227.1426.725.2522.8224.4126.01427.1427.2626.2526.5627.3326.8126.5425.1723.2424.7726.11527.6827.1126.3726.8926.9427.2126.8725.3123.9825.2426.36627.6926.926.6826.9327.8827.4126.9925.5424.0225.6926.571.72%727.8926.8926.4126.6927.5527.1726.8625.4823.7725.3626.411.08%827.526.1326.6426.4226.526.5226.8125.2223.0124.6725.94927.4826.5127.0727.2226.8927.4226.6824.7922.5323.9626.061027.4326.6726.9327.3527.4927.3126.7325.1423.325.5426.39Y27.526.926.526.62726.926.525.223.224.9Y%5.34%2.84%1.49%1.91%3.23%2.97%1.60%-3.42%-11.25%-4.71%-2.86%X%AVG=26.12-0.42%-0.07%0.90%S=1.34MIN=22.25-0.70%-0.27%1.01%COV1=5.12%COV2=88.17%MAX=28.22B8正面ABCDEFGHIJX126.7725.826.126.0427.1226.6628.0527.2125.0625.4326.42226.926.0326.1426.3426.6526.5527.6226.9424.9425.0526.32-0.01%326.6426.2526.4426.1528.942726.8726.5524.6323.4426.29426.7826.3226.1926.4126.9627.2627.1326.5124.2823.7126.16526.7626.3726.3726.5827.126.726.9826.9824.4324.0726.23627.3727.0426.7426.6626.9627.1826.8726.4524.5724.2526.41727.2827.0526.827.1226.5627.2826.6226.1725.8224.5526.530.79%827.5327.2426.6726.9126.4427.0226.6427.0923.7924.1526.35927.9827.227.5127.2426.172726.5326.4223.1523.8626.311028.2427.3727.0326.8126.7226.5626.3125.9222.9123.8926.18Y27.226.726.626.62726.92726.624.424.2Y%3.44%1.32%1.06%1.06%2.58%2.29%2.58%1.16%-7.45%-7.90%0.40%X%AVG=26.32-0.10%-0.62%-0.32%0.34%S=1.17MIN=22.910.11%-0.05%-0.54%COV1=4.44%COV2=88.37%MAX=28.94B8反面ABCDEFGHIJX128.7728.1128.8729.3629.1729.1128.6425.9225.1527.5628.07228.9928.1128.429.128.6428.0527.7424.5823.6824.9527.22-2.00%328.9628.1328.6228.5528.4128.6227.2624.1123.7125.127.15428.9528.4629.1728.6729.1228.7527.7224.6423.9624.9427.44529.1728.629.629.4129.2628.7927.8225.6223.9226.5527.87629.5128.8429.729.1829.3529.1327.7324.9924.3125.9927.870.34%729.529.229.9329.6428.9129.3328.2325.1323.9626.6528.050.97%828.7729.0129.8830.0529.7629.228.0425.0523.9225.8427.95929.628.7530.0629.9330.0629.7527.8224.9324.3924.7928.011029.6929.3130.330.1530.3430.0127.6724.727.0725.328.151.35%Y29.228.729.529.429.329.127.92524.125.8Y%5.09%3.14%6.19%5.85%5.48%4.66%0.32%-10.12%-13.22%-7.24%1.04%X%AVG=27.78-2.27%-1.23%0.34%S=2.02MIN=23.680.62%0.83%COV1=7.28%COV2=87.67%MAX=30.34 联 能 科 技(深圳)有 限 公 司 Unimicron Technology (Shen Zhen) Co.,Ltd. B9正面ABCDEFGHIJX126.3925.3325.4325.425.1125.1324.9523.2321.923.3524.62226.3125.8925.5925.8225.4224.9825.3724.3222.4223.5824.973.82%325.4325.4824.9124.9425.2725.2625.3523.6322.0122.5624.481.80%425.4524.7924.124.6824.7424.8324.7523.7421.5121.3123.99524.3824.2625.1323.2324.2924.1424.5423.5221.821.7923.71623.7624.2623.7123.62424.2923.9422.6721.1722.3223.37723.7723.8822.723.1723.4423.323.4322.7721.123.3823.09823.7322.9322.8323.223.1623.6324.0623.5520.9223.1723.12924.5825.0923.1123.3323.5825.124.1524.3922.2224.0223.961025.9725.4824.1625.4125.2524.9124.8625.5824.2226.0925.194.75%Y24.9824.7424.1724.2824.4324.5624.5423.7421.9323.16Y%3.85%2.86%0.48%0.94%1.56%2.10%2.03%-1.29%-8.83%-3.72%2.37%X%AVG=24.05-0.25%-1.43%-2.82%-3.98%-3.88%-0.39%S=1.26COV1=5.24%MIN=20.92COV2=88.44%526.4327.7726.8728.1527.6828.7727.5325.4423.0124.4226.61626.1926.826.1627.6626.8927.8427.124.8922.8425.6626.2725.9226.2626.1426.8726.2927.2626.3523.9322.6925.4825.72825.825.825.3525.8526.0926.7325.9224.8322.6225.2525.42926.4125.3325.0425.6225.8426.3425.724.0222.7225.2325.23MAX=26.39B9反面ABCDEFGHIJXX%129.729.2430.130.3830.6527.7929.8727.425.6927.3528.827.43%228.929.2729.930.3530.3330.5929.9527.392526.9828.877.61%328.0428.7728.5229.5429.6729.8328.9926.6523.892627.994.34%427.1428.4327.8528.8728.629.4128.4625.9823.2124.9627.291.74%S=1.98MIN=22.621027.9424.7826.4226.6826.0725.9127.4326.6423.8125.3726.11Y27.2527.2527.2428.0027.8128.0527.7325.7223.5525.67Y%1.42%1.42%1.42%4.40%3.65%4.40%3.28%-4.18%-12.38%-4.18%-0.81%-2.32%-4.12%-5.22%-5.96%-2.68%COV1=7.4%COV2=84.93%AVG=26.82MAX=30.65四、结论调整前均匀性:测试板正面反面COV1COV2COV3COV4B18.52%B28.25%B3B4B5B6B78.87%8.20%B89.32%7.48%B98.93%9.55%单面均匀性9.07%79.59%10.24%77.16%单面均匀性5.38%87.72%6.93%85.70%10.50%8.43%10.55%8.28%77.42%81.71%78.56%81.44%76.75%81.47%80.72%80.16%78.07%13.14%12.43%10.87%10.62%10.47%9.44%68.35%72.20%77.06%77.48%76.78%78.32%80.76%83.98%79.52%B19.93%9.74%B24.09%6.36%B34.88%8.72%B46.00%5.09%B54.74%6.56%B65.05%6.12%B74.10%5.12%B84.44%7.28%B95.20%7.40%调整后均匀性:测试板正面反面COV1COV2COV3COV484.01%90.18%88.98%86.54%87.17%85.79%90.04%88.37%88.44%83.24%86.39%83.01%86.25%85.34%86.30%88.17%87.67%84.93%1.以上测试都为同一缸同一飞靶试板,测量数据减去底铜2.经调整及铜球深度低于液位8-10cm时,一次性电镀均匀性比满铜球时电镀要好得多,未减底铜测试均匀性COV1都小于10%,COV2都大于90%;减底铜后,COV1都小于10%五、下一步试验计划将钛篮上端套上一个10cm长的胶管并加满铜球进行试板

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