| 摘要 |
A pressure measurement method using a pressure measuring film in which a toner layer with a definite thickness is held between an adhesive layer formed on a first support and an inactive adhesive layer formed on a second support. Prior to applying the pressure to be measured to the measuring film, the inactive adhesive layer is activated to generate or recover the adhesive property. After the pressure to be measured is applied to the film, the first support is removed from the film and the applied pressure is determined based on the amount of the toner attached to the second support. Using a toner having extremely small size, an extremely low pressure applied to an extremely small contact area can be measured. Also the pressure measuring film is not affected by the influence of use conditions (temperature, humidity). For example, the inactive adhesive layer is formed of a thermoplastic resin adhesive which can be activated by heating to have adhesive property. <IMAGE> |
