CN104178733B - Lepidopterous insects wing is carried out to the method for full finned surface, high true to nature, large area microstructure replication - Google Patents
Lepidopterous insects wing is carried out to the method for full finned surface, high true to nature, large area microstructure replication Download PDFInfo
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- CN104178733B CN104178733B CN201410449438.8A CN201410449438A CN104178733B CN 104178733 B CN104178733 B CN 104178733B CN 201410449438 A CN201410449438 A CN 201410449438A CN 104178733 B CN104178733 B CN 104178733B
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Abstract
The present invention relates to a kind of method of lepidopterous insects wing being carried out to full finned surface, high true to nature, large area microstructure replication, comprise that multi-angle rotary evaporation covers shape metal film, the thick steps such as former, the removing of female mold surfaces plasma ashing, high accuracy plastic casting replica formpiston processed that are coated with of selective chemical. Usefulness: (1) the present invention adopts multi-angle rotary evaporation coating method to cover shape metal film to inclined wedge-shaped, small inclination squama oltrastructure are caught with fixing at complete lepidopterous insects wing surface deposition one deck, take full advantage of its crystal grain exquisiteness, fillibility good, be easy to cover the advantages such as shape, be conducive to ensure the high fidelity of the thick plating of subsequent chemistry; (2) the present invention adopts and first catches the method that fixing micro-structural is carried out chemical thick plating again, has avoided the problems of existing electroforming die-manufacturing method existence, can realize full finned surface, the large-area manufacturing of replica negative template.
Description
Technical field
The present invention relates to a kind of the complicated fine structure of insect wing be carried out to large area, the high method copying true to nature, more particularly, refer to the method for lepidopterous insects wing being carried out to full finned surface, high true to nature, large area microstructure replication, belong to bionical manufacturing technology field.
Background technology
Lepidoptera is the second largest order that is only second to coleoptera in Insecta, comprises various butterflies and moth class, 40 the above Superfamilys of having an appointment, 120 above sections and exceed the kind of 180,000 kinds. Color on lepidopterous insects wing is divided into chemical look and physical colour, and wherein physical colour also claims schemochrome, refer to presented by the light characteristic of micro-structural itself with anisotropic color. The wing of most of lepidopterous insects forms by translucent film and the some tiny scale that covers thereon, and scale surface is made up of micro-structurals such as groove, fin and the holes of micron and submicron order. Current, carry out microstructure replication and there is important potential using value in photonic device manufacture, the fields such as the manufacture of ripple sound-absorbing material, the manufacture of light camouflage material of inhaling thering is the lepidopterous insects wing of chemical look or physical colour. For example, application number is that 20121024412.1 Chinese patent discloses a kind of method of preparing magnetic photonic crystal based on the single scale biological template of butterfly's wing, and the Chinese patent that application number is 201410127205.6 discloses a kind of method that is directly gone out bionical replica surface by the reverse electroforming of crisp fritter type biological surface.
But; although above-mentioned patent achievement is providing certain reference value aspect butterfly's wing microstructure replication; but only limit to single butterfly scale or small size biological specimen to carry out microstructure replication; and the problem of unresolved full finned surface, high true to nature, large area microstructure replication, and the solution of the problems referred to above will contribute to promote bionical device or the functional material relevant to lepidopterous insects wing and realize scale, suitability for industrialized production manufacture.
Summary of the invention
The object of the invention is to, provide a kind of method of lepidopterous insects wing being carried out to full finned surface, high true to nature, large area microstructure replication, to solve the problems of the technologies described above.
Technical problem solved by the invention realizes by the following technical solutions: lepidopterous insects wing is carried out to the method for full finned surface, high true to nature, large area microstructure replication, comprise the steps.
The first step: the clean and full finned surface of lepidopterous insects wing air-blowing is pasted fixing
Sanction selects complete, the unabroken fresh lepidoptera imago wing of finned surface as copying with biological template, first blow away gently its surperficial floating dust with air-blowing ball, its stickup is fixed on glass substrate along wing outer margin contour with adhesive waterproof tape again, makes full finned surface cementation biological template.
Second step: full finned surface cementation biological template multi-angle rotary evaporation covers shape metal film
(A) the full finned surface cementation biological template first step being made is fixed on the indoor substrate fixture of vacuum evaporation, adjust the initial angle of sample rotating shaft and horizontal plane in small angle range, taking fine grain metal as evaporation source and the sample rotating speed that keeps 2rps cover shape metal film in the surperficial evaporation a layer thickness of full finned surface cementation biological template as 250nm～300nm;
(B) the secondary angle of further adjusting sample rotating shaft and horizontal plane, within the scope of 15 °～20 °, keeps the sample rotating speed of 2rps to cover shape metal film in the full finned surface cementation biological template surface homogeneity that evaporation a layer thickness is 300nm～350nm again after (A) step evaporation.
The 3rd step: the complete thick former that is coated with of finned surface cementation biological template selective chemical
(A) the sodium sulfide aqueous solution that is 10% by mass fraction makes the insulated paint with catalysis toxicity in common insulated paint, then there is the full finned surface cementation biological template that covers shape metal film to carry out minor insulation coating with this paint to second step evaporation, to ensure that subsequent chemistry plating process can not occur other positions except complete finned surface;
(B) the full finned surface cementation biological template after (A) step minor insulation is carried out to activating pretreatment, and by the described homogeneity metal system configuration chemical plating fluid that covers shape metal film, then under uniform temperature and acid-base value condition, full finned surface cementation biological template after activating is carried out to chemical thick plating;
(C) when stop chemical thick plating after (B) step is covered the certain thickness homogeneity coat of metal of shape metal film outside deposition on full finned surface cementation biological template, take out plating piece and use deionized water rinsing 4～7 times, and then remove adhesive waterproof tape and glass substrate, make full finned surface replica former.
The 4th step: female mold surfaces lepidopterous insects wing plasma ashing is removed
Using oxygen as process gas, utilize the full finned surface replica former that plasma clean machine makes the 3rd step to carry out the oxygen plasma low temperature dry ashing processing of some time, to remove the biological prototype tissue of adhesion on full finned surface replica former, and then intactly expose former micro-structural.
The 5th step: macromolecule performed polymer high accuracy plastic casting replica formpiston processed
Selection has the replica high polymer of higher replica precision as replica material, first configure in proportion its macromolecule performed polymer, and then in casting die cavity, the 4th step ashing full finned surface replica former after treatment is carried out to plastic casting replica, just make full finned surface replica formpiston through degasification, curing and demolding, finally complete the full finned surface to lepidopterous insects wing, high true to nature, large area microstructure replication.
The initial angle of described sample rotating shaft and horizontal plane is 5 °～10 °.
Described fine grain metal is nickel, aluminium, copper, chromium.
Described replica high polymer is dimethyl silicone polymer, polyvinyl alcohol.
Usefulness of the present invention: (1) the present invention adopts multi-angle rotary evaporation coating method to cover shape metal film to inclined wedge-shaped, small inclination squama oltrastructure are caught with fixing at complete lepidopterous insects wing surface deposition one deck, take full advantage of its crystal grain exquisiteness, fillibility good, be easy to cover the advantages such as shape, be conducive to ensure the high fidelity of the thick plating of subsequent chemistry; (2) the present invention adopts the fixing micro-structural of first seizure to carry out chemical thick plating to make the method for replica negative template again, effectively avoid existing electroforming die-manufacturing method problem, the problem includes: the easy disturbance of electroforming solution destroys plated film squama wing electric conductivity and then cause can not the even problem of electroforming failure of large area molding, can realize full finned surface, the large-area manufacturing of replica negative template.
Brief description of the drawings
Fig. 1 is method of lepidopterous insects wing being carried out to full finned surface, high true to nature, large area microstructure replication of the present invention
Flow chart.
The blue swallowtail butterfly wing scale micro-structural stereoscan photograph (amplifying 1000 times) that Fig. 2 provides for the embodiment of the present invention.
Fig. 3 is that full finned surface cementation biological template is at the indoor scheme of installation of vacuum evaporation.
Fig. 4 is that each micro-structural schematic diagram in shape metal film artifact template is covered in multi-angle rotary vacuum evaporation.
Fig. 5 plates to full finned surface cementation biological template the schematic diagram that front minor insulation applies.
Fig. 6 for finish chemical thick plating and remove adhesive waterproof tape and glass substrate artifact template on each micro-structural schematic diagram.
Fig. 7 is that plasma ashing is removed after biological template each micro-structural schematic diagram on the full finned surface replica of gained former.
In figure: 1, vacuum evaporation chamber 2, sample rotating shaft 3, substrate fixture 4, full finned surface cementation biological template 5, metal vapors 6, evaporation source 7, parachute 8, scale 9, cover shape metal film 10, glass substrate 11, biological template 12, adhesive waterproof tape 13, insulation lacquer painting 14, chemical thickness coating 15, scale former.
Detailed description of the invention
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, further set forth the present invention below in conjunction with the drawings and specific embodiments.
According to flow process shown in Fig. 1 to the blue swallowtail butterfly in America (pipevineswallowtail) wing carries out full finned surface, high true to nature, large area microstructure replication. With reference to Fig. 2, on blue swallowtail butterfly wing, there is regularly arranged tiny scale, and on each scale, there is channel form micro-structural.
The first step: the clean and full finned surface of blue swallowtail butterfly wing air-blowing is pasted fixing
With reference to Fig. 5, sanction selects complete, the unabroken new vivid blue swallowtail butterfly adult wing of finned surface as copying with biological template 11, first blow away gently its surperficial floating dust with air-blowing ball, its stickup is fixed on glass substrate 10 along wing outer margin contour with adhesive waterproof tape 12 again, make the non-wrinkled and glass substrate 10 of as far as possible fitting of finned surface, make full finned surface cementation biological template 4.
Second step: full finned surface cementation biological template multi-angle rotary evaporation covers shape metal film
(A) with reference to Fig. 3, Fig. 4, Fig. 5, the full finned surface cementation biological template 4 that the first step is made is fixed on the substrate fixture 3 in vacuum evaporation chamber 1, the inclination angle of considering scale 8 on the blue swallowtail butterfly wing in America is about 5 °, for the metal vapors 5 that ensures to be sent by bottom evaporation source 6 in evaporate process can as much as possiblely enter into scale 8 bottoms and take into account plated film on squama, capable of regulating sample rotating shaft 2 is 9 ° with the initial angle of horizontal plane; Taking fine grain metal nickel wire as evaporation source 6 and the sample rotating speed that keeps 2rps cover shape metal film 9 in complete surperficial evaporation a layer thickness of finned surface cementation biological template 4 as 300nm;
(B) with reference to Fig. 3, Fig. 4, further adjusting sample rotating shaft 2 is 20 ° with the secondary angle of horizontal plane, keeps the sample rotating speed of 2rps to cover shape metal film 9 in the full finned surface cementation biological template 4 surfaces nickel matter that evaporation a layer thickness is 300nm again after (A) step evaporation.
The 3rd step: the complete thick former that is coated with of finned surface cementation biological template selective chemical
(A) with reference to Fig. 5, the sodium sulfide aqueous solution that is 10% by mass fraction makes the insulated paint with catalysis toxicity in common insulated paint, then with this paint, second step evaporation there are the full finned surface cementation biological template 4 topical application insulation lacquer paintings 13 that cover shape metal film 9, to ensure that subsequent chemistry plating process can not occur other positions except complete finned surface;
(B) the full finned surface cementation biological template 4 after (A) step minor insulation is carried out to activating pretreatment, and by standard acidic nickel plating recipe configuration chemical nickel-plating solution, then temperature be 85 DEG C, pH value be under 4.5 conditions to after activating full finned surface cementation biological template 4 carry out chemical thick plating;
(C) with reference to Fig. 6, stop chemical thick plating when covering on full finned surface cementation biological template 4 through (B) step after the outside deposition of shape metal film 9 goes out the nickel materialization thickness coating 14 that thickness is 0.2mm, take out plating piece and use deionized water rinsing 7 times, and then remove adhesive waterproof tape 12 and glass substrate 10, make full finned surface replica former.
The 4th step: female mold surfaces lepidopterous insects wing plasma ashing is removed
With reference to Fig. 7, using oxygen as process gas, be that 300sccm, power are under 350W condition, to utilize the full finned surface replica former that plasma clean machine makes the 3rd step to carry out the oxygen plasma low temperature dry ashing processing of 40min at oxygen flow, to remove the biological prototype tissue such as parachute 7, scale 8 of adhesion on full finned surface replica former, and then intactly expose the micro-structurals such as scale former 15.
The 5th step: macromolecule performed polymer high accuracy plastic casting replica formpiston processed
Selection has the replica high polymer dimethyl silicone polymer of higher replica precision as replica material, first prepolymer Sylgard184 and curing agent are pressed to its macromolecule performed polymer of proportional arrangement of 10:1, and then in casting die cavity, the 4th step ashing full finned surface replica former after treatment is carried out to plastic casting replica, after vacuum degassing 3min, normal temperature cure 24h, the demoulding just makes full finned surface replica formpiston, finally completes the full finned surface to blue swallowtail butterfly wing, high true to nature, large area microstructure replication.
More than show and described general principle of the present invention and principal character and advantage of the present invention. The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention. The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. pair lepidopterous insects wing carries out the method for full finned surface, high true to nature, large area microstructure replication, comprising:
The first step: the clean and full finned surface of lepidopterous insects wing air-blowing is pasted fixing
Sanction selects complete, the unabroken fresh lepidoptera imago wing of finned surface as copying with biological template, first uses air-blowing ballBlow away gently its surperficial floating dust, then along wing outer margin contour, its stickup is fixed on glass substrate with adhesive waterproof tape, systemObtain full finned surface cementation biological template;
The 4th step: female mold surfaces lepidopterous insects wing plasma ashing is removed
Using oxygen as process gas, utilize the full finned surface replica former that plasma clean machine makes the 3rd step to carry outThe oxygen plasma low temperature dry ashing processing of some time, to remove the biological prototype group of adhesion on full finned surface replica formerKnit, and then intactly expose former micro-structural;
The 5th step: macromolecule performed polymer high accuracy plastic casting replica formpiston processed
Selection has the replica high polymer of higher replica precision as replica material, first configures in proportion its macromolecule pre-polymerizationBody, and then the 4th step ashing full finned surface replica former after treatment is carried out to plastic casting replica in die cavity in casting, through degasification,Curing and demolding just makes full finned surface replica formpiston, finally complete full finned surface to lepidopterous insects wing, high true to nature,Large area microstructure replication;
It is characterized in that, also comprise the steps:
Second step: full finned surface cementation biological template multi-angle rotary evaporation covers shape metal film
(A) the full finned surface cementation biological template first step being made is fixed on the indoor substrate fixture of vacuum evaporation,The initial angle of adjusting sample rotating shaft and horizontal plane is in the angular range of 5 °～10 °, using fine grain metal as steamingThe sample rotating speed rising and keep 2rps full finned surface cementation biological template surface evaporation a layer thickness be 250nm～300nm's covers shape metal film;
(B) the secondary angle of further adjusting sample rotating shaft and horizontal plane, within the scope of 15 °～20 °, keepsThe sample rotating speed of 2rps is in the full finned surface cementation biological template surface evaporation a layer thickness again after (A) step evaporationFor the homogeneity of 300nm～350nm is covered shape metal film;
The 3rd step: the complete thick former that is coated with of finned surface cementation biological template selective chemical
(A) the sodium sulfide aqueous solution that is 10% by mass fraction has anticatalyst to making in common insulated paintThe insulated paint of property, then has the full finned surface cementation biological template that covers shape metal film to carry out part with this paint to second step evaporationInsulation applies, to ensure that subsequent chemistry plating process can not occur other positions except complete finned surface;
(B) the full finned surface cementation biological template after (A) step minor insulation is carried out to activating pretreatment, and pressThe described homogeneity metal system configuration chemical plating fluid that covers shape metal film, then under uniform temperature and acid-base value condition to workAfter changing, full finned surface cementation biological template carries out chemical thick plating;
(C) when covering shape metal film outside deposition certain thickness through (B) step on full finned surface cementation biological templateThe homogeneity coat of metal after stop chemical thick plating, take out plating piece and with deionized water rinsing 4～7 times, and then remove anti-Glue band and glass substrate, make full finned surface replica former.
According to claim 1 to lepidopterous insects wing carry out full finned surface, high true to nature, large area micro-structural multipleThe method of system, is characterized in that: described fine grain metal is nickel, aluminium, copper, chromium.
According to claim 1 to lepidopterous insects wing carry out full finned surface, high true to nature, large area micro-structural multipleThe method of system, is characterized in that: described replica high polymer is dimethyl silicone polymer, polyvinyl alcohol.
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| CN106544705A (en) * | 2016-10-31 | 2017-03-29 | 常州瑞丰特科技有限公司 | The manufacture method of the micro- replica metal micro structure of precise electrotyping |
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