Abstract:The temprature distribution of the limit thickness specimen on the lateral area of the heated region under laser point source irradiation was measured with the thermovision infrared system.Experimental results is contrary to the results calculated by Fourier law.Inner temperature of the specimen is higher than boundary temperature.There is a world of difference compared with the condition of non-Fourier effect produced by short pulse laser irradiation.As a result,the non-normal phenomenon is defined as pan-Fourier effect.It is caused by wave behavior such as reflection and overlap when heat transfers to boundary of the specimen.