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【1702】2026年广东省高考物理真题可视化讲评-(2)静电卡盘的工作原理

  • 2026-07-14 05:06:34
【1702】2026年广东省高考物理真题可视化讲评-(2)静电卡盘的工作原理

2026年广东高考物理试题

逐题讲评

    2026 广东高考物理真题全解，十五期逐题精讲！深挖考点、解析情境、厘清命题疑点，依托数字可视化教学，透彻把握知识考查核心。

第2题 · 静电学（静电卡盘）

原题

观看动图●启迪智慧

题目讲评

题目鉴赏

本题以高端芯片加工为背景，围绕芯片承载卡盘展开设问，着重考查静电学基础知识点。

芯片制造需历经数十道工艺，加工过程中需将晶圆精准、平稳固定；由于加工环境为真空，常规真空吸盘无法使用。传统机械夹持方式易划伤晶圆表面、引入杂质污染，而静电吸盘夹持平稳、柔性接触且无杂质析出，优势显著。

其工作原理本质与带电体能够吸引轻小物体的规律一致。

【学法点拨】

引导学生关注前沿科技，能够活用课内基础知识阐释高新设备工作原理、解决工程实际问题，是日常课堂教学需重点落实的育人目标。以真实科技场景为载体的情境化命题，已是近年高考明确的考查导向。

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2026年高考英语真题全国II卷——阅读理解B

【一题一解析视频】历年真题知识、案例

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  1. CONNECT:[ UseTime:0.001140s ] mysql:host=127.0.0.1;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001699s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000744s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000703s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001707s ]
  6. SELECT * FROM `set` [ RunTime:0.000651s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001960s ]
  8. SELECT * FROM `article` WHERE `id` = 507277 LIMIT 1 [ RunTime:0.004210s ]
  9. UPDATE `article` SET `lasttime` = 1784036192 WHERE `id` = 507277 [ RunTime:0.001518s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.013351s ]
  11. SELECT * FROM `article` WHERE `id` < 507277 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.004867s ]
  12. SELECT * FROM `article` WHERE `id` > 507277 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001168s ]
  13. SELECT * FROM `article` WHERE `id` < 507277 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.009828s ]
  14. SELECT * FROM `article` WHERE `id` < 507277 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.033455s ]
  15. SELECT * FROM `article` WHERE `id` < 507277 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.006736s ]
0.264800s