What is claimed is:
1. A functional film comprising a compressed layer of functional fine particles obtained by compressing a layer containing the functional fine particles that is formed by application onto a support.
2. The functional film according to claim 1, wherein said layer containing the functional fine particles is formed by applying a liquid in which the functional fine particles are dispersed onto the support and drying the liquid.
3. The functional film according to claim 1, wherein said functional fine particles are selected from inorganic fine particles.
4. The functional film according to claim 1, wherein said compressed layer of the functional fine particles is obtained by compressing with a compression force of at least 44 Nmm2.
5. The functional film according to claim 1, which is selected from an electrical conductive film, a magnetic film, a ferromagnetic film, a dielectric film, a ferroelectric film, an electrochromic film, an electroluminescent film, an insulating film, a light-absorbing film, a light selecting absorbing film, a reflecting film, a reflection preventing film, a catalyst film and a photocatalyst film.
6. The functional film according to claim 1, wherein said support is a film made of resin.
7. The functional film according to claim 1, wherein said functional fine particles are conductive fine particles, whereby said functional film has a function as a conductive film.
8. The functional film according to claim 1, wherein said functional fine particles are conductive fine particles, and said compressed layer is impregnated with a transparent substance, whereby said functional film has a function as a transparent conductive film.
9. The functional film according to claim 7 or 8, wherein said conductive fine particles are inorganic conductive fine particles selected from the group consisting of tin oxide, indium oxide, zinc oxide, cadmium oxide, antimony-doped tin oxide (ATO), fluorine-doped tin oxide (FTO), tin-doped indium oxide (ITO) and aluminum-doped zinc oxide (AZO).
10. A method of producing a functional film, said method comprising the steps of:
applying a liquid in which the functional fine particles are dispersed onto a support and drying the liquid, thereby to form a layer containing the functional fine particles; and thereafter
compressing said layer containing the functional fine particles to form a compressed layer of the functional fine particles.
11. The method of producing a functional film according to claim 10, wherein said layer containing the functional fine particles is compressed at a compression force of at least 44 Nmm2.
12. The method of producing a functional film according to claim 10, wherein said layer containing the functional fine particles is compressed at such a temperature that said support is not deformed.
13. The method of producing a functional film according to claim 10, wherein said layer containing the functional fine particles is compressed using a roll press machine.
14. The method of producing a functional film according to claim 10, wherein said functional fine particles are conductive fine particles, and a resin is not contained in said liquid which contains the functional fine particles dispersed therein.
15. The method of producing a functional film according to claim 10, wherein said functional fine particles are conductive fine particles, and said method comprises the additional step of impregnating said formed compressed layer of the functional fine particles with a transparent substance.
16. A functional film comprising a compressed coating layer of functional fine particles on a support.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A marker tag water gun comprising:
an enclosure;
a barrel attached to the enclosure, the barrel having a first inner diameter for receiving a marker tag dart;
an air chamber in air communication with the barrel, the air chamber having a volume variable between first and second volumes, the first volume being larger than the second volume;
a spring elastically forcing the air chamber to its second volume;
a manually operable air chamber cocking mechanism coupled to the air chamber for manually moving the air chamber to the first volume against the force of the spring;
a latch for releasably retaining the air chamber in its first volume;
a water chamber for storing a supply of water;
a water pump coupled to the water chamber, a water pump outlet being coupled to a needle for injecting water into a chamber in a marker tag dart; and
a manually operable trigger disposed relative to the latch to release the latch during a motion of the trigger.
2. The marker tag water gun of claim 1 wherein the manually operable trigger is coupled to the water pump to pump water through the needle during a first motion of the trigger, before releasing the latch during a continuation of motion of the trigger.
3. The marker tag water gun of claim 1 wherein the air chamber cocking mechanism is coupled to the water pump to pump water through the needle during actuation of the air chamber cocking mechanism.
4. The marker tag water gun of claim 1 wherein the air chamber has a first member coupled to the enclosure and in air communication with the barrel, and a second member for sliding along the first member between first and second positions to define the first and second air chamber volumes.
5. The marker tag water gun of claim 4 wherein the first and second members have inner diameters that are larger than the inner diameter of the barrel.
6. The marker tag water gun of claim 1 wherein the marker tag water gun is in the shape of a toy hand gun, wherein the water chamber is in a hand grip of the toy hand gun.
7. The marker tag water gun of claim 1 further comprising a nozzle for squirting water as a squirt gun, and a manually operable control to control the functions of the marker tag water gun between the operations of:
a) pumping water into a marker tag dart that was placed in the barrel and shooting the water tag dart without squirting water out of the nozzle,
b) shooting a water tag dart that was placed in the barrel without pumping water into the marker tag dart or squirting water out of the nozzle, and
c) squirting water out of the nozzle without pumping water into a marker tag dart that was placed in the barrel or shooting the water tag dart.