摘要:
The packaged medical article can comprise the medical article and a protective layer capable of inhibiting exposure of the medical article to a color change activator prior to use of the medical article. The medical article comprises a plastic portion and an active color changing specie, wherein the color changing specie is capable of changing color after exposure to a color change activator. The method for producing a medical article can comprise: combining thermoplastic resin with a blocked color changing specie to form a resin mixture and manufacture processing the resin mixture to form a packaged medical article. This manufacturing processing comprises forming the resin mixture into the medical article and packaging the medical article to form a packaged medical article. The color changing specie will not affect the structural integrity of the medical article when it changes color.
摘要:
A system and method employing optical disc drives for quantitative analysis of physical, chemical and biochemical parameters are provided. The system including a disc drive for supporting and rotating an optical disc including at least one sensor spot; a light source for directing light onto the sensor spot; at least one optical pickup for detecting light transmitted from the sensor spot, the transmitted light being indicative of a concentration of a compound; and an analog-to-digital converter for quantifying an intensity of the transmitted light. The method comprising the steps of preparing the optical disc with a plurality of sensor spots, the sensor spots being responsive to a compound; exposing the optical disc to a fluid; measuring intensity of transmitted light from at least one of the plurality of sensor spots; and correlating the measured intensity of transmitted light to an amount of compound exposed to the optical disc.
摘要:
A media drive is disclosed. In one embodiment, a media drive can comprise: a disk holder, a drive laser, a disk reader, and a luminescence detector. The disk holder can be capable of applying a rotational force to a media disk. The drive laser is disposed so that light from the laser will be incident on the media disk when it is disposed in the disk holder. The disk reader is disposed to receive data from the media disk. A method for authenticating a media disk is also disclosed. The method can comprises: disposing the article in a reader, illuminating at least a portion of the article with the information reader, monitoring a luminescence emission of the illuminated article, and determining if the luminescence emission is consistent with an authentic article. If a luminescent material is present, the information reader excites the luminescent material to create a luminescence emission.
摘要:
An optical article comprising at least one data side and configured for transformation from a pre-activated state of functionality to an activated state of functionality is provided. The optical article includes an optical data layer for storing data. Furthermore, the optical article includes an electrically responsive layer having a first surface and a second surface, wherein the electrically responsive layer is characterized by an optical absorbance in the range of about 200 nm to about 800 nm. The electrically responsive layer being configured to transform from a first optical state to a second optical state upon exposure to an external stimulus, and being capable of irreversibly transforming the optical article from the pre-activated state of functionality to the activated state of functionality. The electrically responsive layer includes a binder polymeric material, an electrically responsive material, and an electrolyte. Also provided is a method of changing the functionality of the optical article, and an activation system for transforming the optical article from the pre-activated state of functionality to the activated state of functionality.
摘要:
A method of changing a functionality of an optical article is provided. The method includes exposing the optical article to an external stimulus. The optical article includes an electrically responsive layer being configured to transform from a first optical state to a second optical state upon exposure to the external stimulus. The electrically responsive layer is configured to transform from a first optical state to a second optical state upon exposure to an external stimulus, and is capable of irreversibly transforming the optical article from the pre-activated state of functionality to the activated state of functionality. The electrically responsive layer includes an ion-conducting polymeric material, an electrically responsive material dispersed in the ion-conducting polymeric material, an electrolyte and at least one pair electrodes in electrical communication with the electrically responsive layer, wherein the electrodes are in electrical communication with the same surface of the electrically responsive layer. Also provided is an activation system for transforming an optical article from a pre-activated state of functionality to an activated state of functionality.
摘要:
A wirelessly powered flexible tag configured to be in contact with a substrate is provided. The tag includes a coupling layer configured to couple the tag to the substrate. An electrical circuit disposed on the coupling layer and configured to interact wirelessly with an external stimulus. The tag further includes at least one electrode or at least one heating element in operative association with the electrical circuit, and configured to generate electrical energy or thermal energy, respectively. Upon wireless interaction with the external stimulus the tag is configured to induce an electrical response, a thermal response, or a combination of both in the substrate.
摘要:
A multi-component structure capable of being removably attached to a plastic element is provided. The multi-component structure includes an adhesive layer having a selectively modifiable tack strength at pre-determined locations on a first surface. The first surface is coupled to the plastic element and defining a first region. The multi-component structure further includes a backing layer coupled to the adhesive layer and defining a second region with a second surface of the adhesive layer. Upon interaction with an external stimulus the multi-component structure is configured to undergo a clean adhesive failure at the first region between the adhesive layer and the plastic element.
摘要:
A media drive is disclosed. In one embodiment, a media drive can comprise: a disk holder, a drive laser, a disk reader, and a luminescence detector. The disk holder can be capable of applying a rotational force to a media disk. The drive laser is disposed so that light from the laser will be incident on the media disk when it is disposed in the disk holder. The disk reader is disposed to receive data from the media disk. A method for authenticating a media disk is also disclosed. The method can comprises: disposing the article in a reader, illuminating at least a portion of the article with the information reader, monitoring a luminescence emission of the illuminated article, and determining if the luminescence emission is consistent with an authentic article. If a luminescent material is present, the information reader excites the luminescent material to create a luminescence emission.
摘要:
In one embodiment, a limited play optical storage medium for data can comprises a first substrate, a reflective layer, a data layer, a second substrate, and a reactive layer. The second substrate is a read-through substrate and is capable of transmitting less than about 10% of light in a wavelength in the range of about 455 nanometers and about 620 nanometers. The reactive layer can comprise a carrier and a reactive material. The reactive material can be capable of undergoing a reaction such that after the reaction a percent reflectivity through the reactive layer is reduced.
摘要:
Disclosed is a method for authenticating that an article is an authenticatable article. The method uses an optical tester, the optical tester comprising an electromagnetic radiation source and a detector. The authenticatable article comprises a heat responsive compound having a temperature dependent optical interaction with the electromagnetic radiation source in the presence of a heat stimulus to produce a heat induced electromagnetic radiation signature. The method comprises placing a test portion of the article in interaction with the electromagnetic radiation source of the optical tester, creating a heated portion by exposing the test portion of the article to a heat stimulus sufficient to raise the temperature of the test portion from a temperature T1 to a temperature T2, measuring the heat induced electromagnetic radiation signature of the heated portion with the detector, and authenticating that the article is an authenticatable article if the heat induced electromagnetic radiation signature is present.
摘要翻译:公开了一种用于认证物品是可认证物品的方法。 该方法使用光学测试仪,光学测试仪包括电磁辐射源和检测器。 可认证的制品包括在热刺激的存在下具有与电磁辐射源的温度依赖性光学相互作用以产生热诱导的电磁辐射特征的热响应化合物。 该方法包括将制品的测试部分与光学测试仪的电磁辐射源相互作用,通过将制品的测试部分暴露于足以使测试部分的温度从温度升高的热刺激而产生加热部分 T 1到温度T 2,用检测器测量加热部分的热感应电磁辐射特征,并且如果存在热感应电磁辐射特征则认证该物品是可认证物品。