287章 老板的要(1 / 2)
重生1990:大国之芯
鹿林好汉
1059 字
2022-06-02
周晓东作为重生的顶尖芯片科学家,虽然前世他并没有设计开发过图像传感器,不过他对这种背照式C*MOS图像传感器的原理当然是清楚的。
这种背照式图像传感器在他的记忆当中好像是差不多九年之后才开始推出这种架构的图像传感器,这种堆栈式传感器提供了更高的像素提升空间,尺寸却更紧密小巧的,连带镜头、机身等都可以进化,在前世那个手机摄影流行的年代简直是再合适不过了。
从C*MOS图像传感器的技术发展路线来看一直都是相当顺利,后面在消费级市场甚至高端市场淘汰C*CD实在是大势所趋。
目前周晓东先将这种背照式传感器的架构给弄出来,把感光平面放到了最上层,信号处理电路叠放在后面,这种结构能大幅加强感光能力,同时降低电路噪声干扰,从而加强整体感光性能及影像素质。
这种架构可以让周晓东公司旗下的技术团队用个十几二十年的时间不用做大的改动,只是随着像素尺寸的缩小进行技术微调就行了,无非就是为了降低因为像素尺寸太小造成的串扰研发彩色滤光片层金属栅极结构和硅光电二极管深槽隔离工艺等技术。
只要张京汝带领技术团队攻克了最难的硅穿孔互联技术,这些新的工艺技术反倒不是什么特别难的事情。
利飞浦半导体部门给周晓东的现有图像传感器技术是他们最好的,把自家那块六百万像素的C*CD图像传感器都拿出来了,虽然这块图像传感器尺寸很大,不过利飞浦半导体部门在设计和算法上有问题,贵且不说,这块图像传感器噪音特别大,让周晓东不敢恭维。
也许是利飞浦半导体这边自己都不好意思,又给了一块一英寸尺寸的C*CD图像传感器,这块图像传感器像素分辨率达到了一百三十万像素,不过只能输出三十万像素的动态视频。
因为利飞浦半导体技术部门的精力在C*CD图像传感器上,拿出来的C*MOS图像一款传感器芯片,只有三十万像素,像素尺寸在五点六微米,技术性能一般,胜在低功耗。
周晓东的目的是为了得到完整的图像传感器制程工艺技术流程,在算法上和设计上他当然有着自己的想法。
C*CD图像传感器有两个天生的缺陷,一个是速度慢,另外一个是源于品控的问题导致生产成本高,一旦C*CD有问题,就是成片的像素出问题,除了作废没有别的办法,而C*MOS图像传感器的技术潜力空间还相当大。
周晓东当然会优先选择C*MOS图像传感器来重点发展,C*CD图像传感器只会用在那些对价格不敏*感的工业级设备和科研仪器上面,毕竟这种图像传感器用上了背照式结构后在灵敏度上会更好,适合微弱信号的探测,能够根据不同的需要搭载在不同的光谱检测平设备平台上,同样可以赚到钱,不过公司在这方面不会投入太多的资源,因为这些高端细分市场空间其实不是特别大。
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